What is the approximate installation size of a “clean” Windows 10 Upgrade, post install and cleanup?











up vote
13
down vote

favorite
1












I'm interested in the installation size of Windows 10 when it has been installed on an existing, clean, Windows 7 or Windows 8 installation. By "clean" I mean only a standard non-OEM OS and critical drivers, and updates.



For example:




  1. A computer is installed with a typical Windows 7 Ultimate x64 OS

  2. Critical updates are applied to the point that the Windows 10 Upgrade tool is installed

  3. Disk cleanup is executed to recover as much space as possible

  4. The upgrade tool is used to perform the OS upgrade

  5. After the upgrade is complete Disk Cleanup is again performed to recover space


How many GB would this occupy? Would there be a significant difference if upgrading from Windows 7 vs. Windows 8?










share|improve this question


















  • 1




    The space requirements for Windows 10 are outline on Microsoft website. You are pretty much looking at the same requirements as Windows 8.1 though.
    – Ramhound
    Oct 16 '15 at 14:41

















up vote
13
down vote

favorite
1












I'm interested in the installation size of Windows 10 when it has been installed on an existing, clean, Windows 7 or Windows 8 installation. By "clean" I mean only a standard non-OEM OS and critical drivers, and updates.



For example:




  1. A computer is installed with a typical Windows 7 Ultimate x64 OS

  2. Critical updates are applied to the point that the Windows 10 Upgrade tool is installed

  3. Disk cleanup is executed to recover as much space as possible

  4. The upgrade tool is used to perform the OS upgrade

  5. After the upgrade is complete Disk Cleanup is again performed to recover space


How many GB would this occupy? Would there be a significant difference if upgrading from Windows 7 vs. Windows 8?










share|improve this question


















  • 1




    The space requirements for Windows 10 are outline on Microsoft website. You are pretty much looking at the same requirements as Windows 8.1 though.
    – Ramhound
    Oct 16 '15 at 14:41















up vote
13
down vote

favorite
1









up vote
13
down vote

favorite
1






1





I'm interested in the installation size of Windows 10 when it has been installed on an existing, clean, Windows 7 or Windows 8 installation. By "clean" I mean only a standard non-OEM OS and critical drivers, and updates.



For example:




  1. A computer is installed with a typical Windows 7 Ultimate x64 OS

  2. Critical updates are applied to the point that the Windows 10 Upgrade tool is installed

  3. Disk cleanup is executed to recover as much space as possible

  4. The upgrade tool is used to perform the OS upgrade

  5. After the upgrade is complete Disk Cleanup is again performed to recover space


How many GB would this occupy? Would there be a significant difference if upgrading from Windows 7 vs. Windows 8?










share|improve this question













I'm interested in the installation size of Windows 10 when it has been installed on an existing, clean, Windows 7 or Windows 8 installation. By "clean" I mean only a standard non-OEM OS and critical drivers, and updates.



For example:




  1. A computer is installed with a typical Windows 7 Ultimate x64 OS

  2. Critical updates are applied to the point that the Windows 10 Upgrade tool is installed

  3. Disk cleanup is executed to recover as much space as possible

  4. The upgrade tool is used to perform the OS upgrade

  5. After the upgrade is complete Disk Cleanup is again performed to recover space


How many GB would this occupy? Would there be a significant difference if upgrading from Windows 7 vs. Windows 8?







windows-7 windows-8 windows-10 disk-space windows-10-upgrade






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Oct 16 '15 at 14:33









STW

1,24631430




1,24631430








  • 1




    The space requirements for Windows 10 are outline on Microsoft website. You are pretty much looking at the same requirements as Windows 8.1 though.
    – Ramhound
    Oct 16 '15 at 14:41
















  • 1




    The space requirements for Windows 10 are outline on Microsoft website. You are pretty much looking at the same requirements as Windows 8.1 though.
    – Ramhound
    Oct 16 '15 at 14:41










1




1




The space requirements for Windows 10 are outline on Microsoft website. You are pretty much looking at the same requirements as Windows 8.1 though.
– Ramhound
Oct 16 '15 at 14:41






The space requirements for Windows 10 are outline on Microsoft website. You are pretty much looking at the same requirements as Windows 8.1 though.
– Ramhound
Oct 16 '15 at 14:41












5 Answers
5






active

oldest

votes

















up vote
7
down vote













Microsoft says 20 GB for 64-bit OS.



I did a clean install, 12GB. Then added office, 16GB.



Then after a couple of days of windows update 50GB + 10GB in Recycle. 31 Gig in C:Windows, 5 gig page and hibernate files.



And it grows substantially over time. 120Gig minimum.



This is for a clean install onto a new disk, keeping nothing. You are braver than I am to try an upgrade. My previous Win 7 install had suffered from windows rot (degeneration of the registry over the years) so needed blasting anyway.



(I use a Gargoyle router to throttle the windows update downloads from killing the internet for everyone.)






share|improve this answer






























    up vote
    2
    down vote













    Depending on the size of the drive, after Disk Cleanup, and the size and number of System Restore Points, you can expect a footprint of from around 22gig to as large as 35 gig. This is assuming the Documents folder and Pictures folder do not hold much data.






    share|improve this answer

















    • 9




      Neither of those documents would have any data given the clean installation aspect of this question. Microsoft's own information indicates that a clean installation of Windows only takes 16GB if it's a 32-bit installation and 20GB if its a 64-bit installation.
      – Ramhound
      Oct 16 '15 at 14:54


















    up vote
    1
    down vote













    Today (2018-03-30) I did a clean* install of Windows 10 Pro with 23 GB.



    * For me, this includes deleting all unnecessary pre-installed programs (for instance games, OneDrive, Weather, News, etc.), getting the newest updates, and running Window's Disk Clean-Up tool afterwards.






    share|improve this answer




























      up vote
      0
      down vote













      Windows 8.1 install with updates 40 GB



      There are programs like Win Reducer and NT lite to remove unwanted bloat ware.



      But you should know what the components you are removing are as you could remove critical system files.



      Alternatively, change permissions of the entire C: to give you full access to delete files through the "Properties" "Security" "Advanced" settings Change principle, etc.



      Then you can do search for things like



      Bing

      Zune

      Built in apps like Weather News etc.



      Just delete them.



      Fonts and Languages that are not used can be deleted, as well.



      Most other stuff in the WinSXS folder are drivers, and most of them are just incase your system has those devices.



      It just covers more computers when you buy the software.



      If you know what you are doing most of that can go.



      Then there are things like Pagefile.sys and swapfile.sys which is the hybernate files



      Turning off Hybernate will remove this.



      In a Command Prompt as Admin, run the following:



      "powercfg.exe /hibernate off"



      Then there are TEMP folders in Windows and the appdata folder under "Users" these are mostly reminants of installation packages.



      They can also go.



      Just the temp and page files removed are around 3-5gb freed up.



      For more on this: https://www.youtube.com/watch?v=iMX5wi7Vz0Q






      share|improve this answer






























        up vote
        0
        down vote













        Here they point out, that Compact OS can reduce the footprint from 12,3GB to 10,3GB.



        So it is reasonable to assume 12,3GB to be the footprint of a windows 10 install.






        share|improve this answer























        • Seems like those numbers are only in the archived version of the page. Live one reports almost double figures. Unsure if just due to random updates of a "non-clean" installation, or increased requirements on the part of newest W10 versions.
          – mirh
          Jan 29 at 20:36













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        5 Answers
        5






        active

        oldest

        votes








        5 Answers
        5






        active

        oldest

        votes









        active

        oldest

        votes






        active

        oldest

        votes








        up vote
        7
        down vote













        Microsoft says 20 GB for 64-bit OS.



        I did a clean install, 12GB. Then added office, 16GB.



        Then after a couple of days of windows update 50GB + 10GB in Recycle. 31 Gig in C:Windows, 5 gig page and hibernate files.



        And it grows substantially over time. 120Gig minimum.



        This is for a clean install onto a new disk, keeping nothing. You are braver than I am to try an upgrade. My previous Win 7 install had suffered from windows rot (degeneration of the registry over the years) so needed blasting anyway.



        (I use a Gargoyle router to throttle the windows update downloads from killing the internet for everyone.)






        share|improve this answer



























          up vote
          7
          down vote













          Microsoft says 20 GB for 64-bit OS.



          I did a clean install, 12GB. Then added office, 16GB.



          Then after a couple of days of windows update 50GB + 10GB in Recycle. 31 Gig in C:Windows, 5 gig page and hibernate files.



          And it grows substantially over time. 120Gig minimum.



          This is for a clean install onto a new disk, keeping nothing. You are braver than I am to try an upgrade. My previous Win 7 install had suffered from windows rot (degeneration of the registry over the years) so needed blasting anyway.



          (I use a Gargoyle router to throttle the windows update downloads from killing the internet for everyone.)






          share|improve this answer

























            up vote
            7
            down vote










            up vote
            7
            down vote









            Microsoft says 20 GB for 64-bit OS.



            I did a clean install, 12GB. Then added office, 16GB.



            Then after a couple of days of windows update 50GB + 10GB in Recycle. 31 Gig in C:Windows, 5 gig page and hibernate files.



            And it grows substantially over time. 120Gig minimum.



            This is for a clean install onto a new disk, keeping nothing. You are braver than I am to try an upgrade. My previous Win 7 install had suffered from windows rot (degeneration of the registry over the years) so needed blasting anyway.



            (I use a Gargoyle router to throttle the windows update downloads from killing the internet for everyone.)






            share|improve this answer














            Microsoft says 20 GB for 64-bit OS.



            I did a clean install, 12GB. Then added office, 16GB.



            Then after a couple of days of windows update 50GB + 10GB in Recycle. 31 Gig in C:Windows, 5 gig page and hibernate files.



            And it grows substantially over time. 120Gig minimum.



            This is for a clean install onto a new disk, keeping nothing. You are braver than I am to try an upgrade. My previous Win 7 install had suffered from windows rot (degeneration of the registry over the years) so needed blasting anyway.



            (I use a Gargoyle router to throttle the windows update downloads from killing the internet for everyone.)







            share|improve this answer














            share|improve this answer



            share|improve this answer








            edited Jul 4 '17 at 15:21









            user598527

            1,18231646




            1,18231646










            answered Jun 7 '16 at 23:28









            Tuntable

            17815




            17815
























                up vote
                2
                down vote













                Depending on the size of the drive, after Disk Cleanup, and the size and number of System Restore Points, you can expect a footprint of from around 22gig to as large as 35 gig. This is assuming the Documents folder and Pictures folder do not hold much data.






                share|improve this answer

















                • 9




                  Neither of those documents would have any data given the clean installation aspect of this question. Microsoft's own information indicates that a clean installation of Windows only takes 16GB if it's a 32-bit installation and 20GB if its a 64-bit installation.
                  – Ramhound
                  Oct 16 '15 at 14:54















                up vote
                2
                down vote













                Depending on the size of the drive, after Disk Cleanup, and the size and number of System Restore Points, you can expect a footprint of from around 22gig to as large as 35 gig. This is assuming the Documents folder and Pictures folder do not hold much data.






                share|improve this answer

















                • 9




                  Neither of those documents would have any data given the clean installation aspect of this question. Microsoft's own information indicates that a clean installation of Windows only takes 16GB if it's a 32-bit installation and 20GB if its a 64-bit installation.
                  – Ramhound
                  Oct 16 '15 at 14:54













                up vote
                2
                down vote










                up vote
                2
                down vote









                Depending on the size of the drive, after Disk Cleanup, and the size and number of System Restore Points, you can expect a footprint of from around 22gig to as large as 35 gig. This is assuming the Documents folder and Pictures folder do not hold much data.






                share|improve this answer












                Depending on the size of the drive, after Disk Cleanup, and the size and number of System Restore Points, you can expect a footprint of from around 22gig to as large as 35 gig. This is assuming the Documents folder and Pictures folder do not hold much data.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Oct 16 '15 at 14:52









                the original mike western

                1,096158




                1,096158








                • 9




                  Neither of those documents would have any data given the clean installation aspect of this question. Microsoft's own information indicates that a clean installation of Windows only takes 16GB if it's a 32-bit installation and 20GB if its a 64-bit installation.
                  – Ramhound
                  Oct 16 '15 at 14:54














                • 9




                  Neither of those documents would have any data given the clean installation aspect of this question. Microsoft's own information indicates that a clean installation of Windows only takes 16GB if it's a 32-bit installation and 20GB if its a 64-bit installation.
                  – Ramhound
                  Oct 16 '15 at 14:54








                9




                9




                Neither of those documents would have any data given the clean installation aspect of this question. Microsoft's own information indicates that a clean installation of Windows only takes 16GB if it's a 32-bit installation and 20GB if its a 64-bit installation.
                – Ramhound
                Oct 16 '15 at 14:54




                Neither of those documents would have any data given the clean installation aspect of this question. Microsoft's own information indicates that a clean installation of Windows only takes 16GB if it's a 32-bit installation and 20GB if its a 64-bit installation.
                – Ramhound
                Oct 16 '15 at 14:54










                up vote
                1
                down vote













                Today (2018-03-30) I did a clean* install of Windows 10 Pro with 23 GB.



                * For me, this includes deleting all unnecessary pre-installed programs (for instance games, OneDrive, Weather, News, etc.), getting the newest updates, and running Window's Disk Clean-Up tool afterwards.






                share|improve this answer

























                  up vote
                  1
                  down vote













                  Today (2018-03-30) I did a clean* install of Windows 10 Pro with 23 GB.



                  * For me, this includes deleting all unnecessary pre-installed programs (for instance games, OneDrive, Weather, News, etc.), getting the newest updates, and running Window's Disk Clean-Up tool afterwards.






                  share|improve this answer























                    up vote
                    1
                    down vote










                    up vote
                    1
                    down vote









                    Today (2018-03-30) I did a clean* install of Windows 10 Pro with 23 GB.



                    * For me, this includes deleting all unnecessary pre-installed programs (for instance games, OneDrive, Weather, News, etc.), getting the newest updates, and running Window's Disk Clean-Up tool afterwards.






                    share|improve this answer












                    Today (2018-03-30) I did a clean* install of Windows 10 Pro with 23 GB.



                    * For me, this includes deleting all unnecessary pre-installed programs (for instance games, OneDrive, Weather, News, etc.), getting the newest updates, and running Window's Disk Clean-Up tool afterwards.







                    share|improve this answer












                    share|improve this answer



                    share|improve this answer










                    answered Mar 30 at 9:56









                    Socowi

                    1396




                    1396






















                        up vote
                        0
                        down vote













                        Windows 8.1 install with updates 40 GB



                        There are programs like Win Reducer and NT lite to remove unwanted bloat ware.



                        But you should know what the components you are removing are as you could remove critical system files.



                        Alternatively, change permissions of the entire C: to give you full access to delete files through the "Properties" "Security" "Advanced" settings Change principle, etc.



                        Then you can do search for things like



                        Bing

                        Zune

                        Built in apps like Weather News etc.



                        Just delete them.



                        Fonts and Languages that are not used can be deleted, as well.



                        Most other stuff in the WinSXS folder are drivers, and most of them are just incase your system has those devices.



                        It just covers more computers when you buy the software.



                        If you know what you are doing most of that can go.



                        Then there are things like Pagefile.sys and swapfile.sys which is the hybernate files



                        Turning off Hybernate will remove this.



                        In a Command Prompt as Admin, run the following:



                        "powercfg.exe /hibernate off"



                        Then there are TEMP folders in Windows and the appdata folder under "Users" these are mostly reminants of installation packages.



                        They can also go.



                        Just the temp and page files removed are around 3-5gb freed up.



                        For more on this: https://www.youtube.com/watch?v=iMX5wi7Vz0Q






                        share|improve this answer



























                          up vote
                          0
                          down vote













                          Windows 8.1 install with updates 40 GB



                          There are programs like Win Reducer and NT lite to remove unwanted bloat ware.



                          But you should know what the components you are removing are as you could remove critical system files.



                          Alternatively, change permissions of the entire C: to give you full access to delete files through the "Properties" "Security" "Advanced" settings Change principle, etc.



                          Then you can do search for things like



                          Bing

                          Zune

                          Built in apps like Weather News etc.



                          Just delete them.



                          Fonts and Languages that are not used can be deleted, as well.



                          Most other stuff in the WinSXS folder are drivers, and most of them are just incase your system has those devices.



                          It just covers more computers when you buy the software.



                          If you know what you are doing most of that can go.



                          Then there are things like Pagefile.sys and swapfile.sys which is the hybernate files



                          Turning off Hybernate will remove this.



                          In a Command Prompt as Admin, run the following:



                          "powercfg.exe /hibernate off"



                          Then there are TEMP folders in Windows and the appdata folder under "Users" these are mostly reminants of installation packages.



                          They can also go.



                          Just the temp and page files removed are around 3-5gb freed up.



                          For more on this: https://www.youtube.com/watch?v=iMX5wi7Vz0Q






                          share|improve this answer

























                            up vote
                            0
                            down vote










                            up vote
                            0
                            down vote









                            Windows 8.1 install with updates 40 GB



                            There are programs like Win Reducer and NT lite to remove unwanted bloat ware.



                            But you should know what the components you are removing are as you could remove critical system files.



                            Alternatively, change permissions of the entire C: to give you full access to delete files through the "Properties" "Security" "Advanced" settings Change principle, etc.



                            Then you can do search for things like



                            Bing

                            Zune

                            Built in apps like Weather News etc.



                            Just delete them.



                            Fonts and Languages that are not used can be deleted, as well.



                            Most other stuff in the WinSXS folder are drivers, and most of them are just incase your system has those devices.



                            It just covers more computers when you buy the software.



                            If you know what you are doing most of that can go.



                            Then there are things like Pagefile.sys and swapfile.sys which is the hybernate files



                            Turning off Hybernate will remove this.



                            In a Command Prompt as Admin, run the following:



                            "powercfg.exe /hibernate off"



                            Then there are TEMP folders in Windows and the appdata folder under "Users" these are mostly reminants of installation packages.



                            They can also go.



                            Just the temp and page files removed are around 3-5gb freed up.



                            For more on this: https://www.youtube.com/watch?v=iMX5wi7Vz0Q






                            share|improve this answer














                            Windows 8.1 install with updates 40 GB



                            There are programs like Win Reducer and NT lite to remove unwanted bloat ware.



                            But you should know what the components you are removing are as you could remove critical system files.



                            Alternatively, change permissions of the entire C: to give you full access to delete files through the "Properties" "Security" "Advanced" settings Change principle, etc.



                            Then you can do search for things like



                            Bing

                            Zune

                            Built in apps like Weather News etc.



                            Just delete them.



                            Fonts and Languages that are not used can be deleted, as well.



                            Most other stuff in the WinSXS folder are drivers, and most of them are just incase your system has those devices.



                            It just covers more computers when you buy the software.



                            If you know what you are doing most of that can go.



                            Then there are things like Pagefile.sys and swapfile.sys which is the hybernate files



                            Turning off Hybernate will remove this.



                            In a Command Prompt as Admin, run the following:



                            "powercfg.exe /hibernate off"



                            Then there are TEMP folders in Windows and the appdata folder under "Users" these are mostly reminants of installation packages.



                            They can also go.



                            Just the temp and page files removed are around 3-5gb freed up.



                            For more on this: https://www.youtube.com/watch?v=iMX5wi7Vz0Q







                            share|improve this answer














                            share|improve this answer



                            share|improve this answer








                            edited Dec 6 at 8:11









                            PeterH

                            3,35832246




                            3,35832246










                            answered Dec 30 '17 at 22:58









                            Jeff Caligari

                            11




                            11






















                                up vote
                                0
                                down vote













                                Here they point out, that Compact OS can reduce the footprint from 12,3GB to 10,3GB.



                                So it is reasonable to assume 12,3GB to be the footprint of a windows 10 install.






                                share|improve this answer























                                • Seems like those numbers are only in the archived version of the page. Live one reports almost double figures. Unsure if just due to random updates of a "non-clean" installation, or increased requirements on the part of newest W10 versions.
                                  – mirh
                                  Jan 29 at 20:36

















                                up vote
                                0
                                down vote













                                Here they point out, that Compact OS can reduce the footprint from 12,3GB to 10,3GB.



                                So it is reasonable to assume 12,3GB to be the footprint of a windows 10 install.






                                share|improve this answer























                                • Seems like those numbers are only in the archived version of the page. Live one reports almost double figures. Unsure if just due to random updates of a "non-clean" installation, or increased requirements on the part of newest W10 versions.
                                  – mirh
                                  Jan 29 at 20:36















                                up vote
                                0
                                down vote










                                up vote
                                0
                                down vote









                                Here they point out, that Compact OS can reduce the footprint from 12,3GB to 10,3GB.



                                So it is reasonable to assume 12,3GB to be the footprint of a windows 10 install.






                                share|improve this answer














                                Here they point out, that Compact OS can reduce the footprint from 12,3GB to 10,3GB.



                                So it is reasonable to assume 12,3GB to be the footprint of a windows 10 install.







                                share|improve this answer














                                share|improve this answer



                                share|improve this answer








                                edited Dec 6 at 8:22









                                Journeyman Geek

                                112k43216365




                                112k43216365










                                answered Oct 30 '16 at 17:55









                                Tormen

                                11




                                11












                                • Seems like those numbers are only in the archived version of the page. Live one reports almost double figures. Unsure if just due to random updates of a "non-clean" installation, or increased requirements on the part of newest W10 versions.
                                  – mirh
                                  Jan 29 at 20:36




















                                • Seems like those numbers are only in the archived version of the page. Live one reports almost double figures. Unsure if just due to random updates of a "non-clean" installation, or increased requirements on the part of newest W10 versions.
                                  – mirh
                                  Jan 29 at 20:36


















                                Seems like those numbers are only in the archived version of the page. Live one reports almost double figures. Unsure if just due to random updates of a "non-clean" installation, or increased requirements on the part of newest W10 versions.
                                – mirh
                                Jan 29 at 20:36






                                Seems like those numbers are only in the archived version of the page. Live one reports almost double figures. Unsure if just due to random updates of a "non-clean" installation, or increased requirements on the part of newest W10 versions.
                                – mirh
                                Jan 29 at 20:36




















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