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  1.    09 May 2015 #1
    Join Date : Mar 2015
    Posts : 194
    Windows 10 Pro

    Delete Windows.old ?


    I totally feel like I want to delete it, and I'll probably delete it regardless of what you guys say, but I still want to ask. Is there a reason why I should not want to delete it ?
    Screenshot by Lightshot
      My ComputerSystem Spec
  2.    09 May 2015 #2
    Join Date : Oct 2013
    Posts : 25,658
    64-bit Windows 10 Pro build 17046

    Hello Marron,

    If you performed a refresh of Windows 10, upgrade to Windows 10, or a custom install of Windows 10 on the same partition as the previous Windows installation without doing a clean install, then you will have a C:\Windows.old folder in your new installation afterwards. The Windows.old folder contains a copy of the previous Windows installation, and can be quite large in size.

    The Windows.old folder is safe to delete if you do not want anything in it.

    https://www.tenforums.com/tutorials/2...dows-10-a.html
      My ComputersSystem Spec
  3.    09 May 2015 #3

    Well I deleted mine via disk cleanup. That said I make regular disk image backups.
    So if you want to get the space back make sure you have a disk backup just in case.
      My ComputerSystem Spec
  4.    09 May 2015 #4
    Join Date : Sep 2014
    Posts : 91
    64-bit 10240 10 Pro

    I upgraded from Win 7 Pro and I deleted it with disk cleanup.
      My ComputerSystem Spec
  5.    09 May 2015 #5
    Join Date : Mar 2015
    Posts : 194
    Windows 10 Pro
    Thread Starter

    Quote Originally Posted by Brink View Post
    Hello Marron,

    If you performed a refresh of Windows 10, upgrade to Windows 10, or a custom install of Windows 10 on the same partition as the previous Windows installation without doing a clean install, then you will have a C:\Windows.old folder in your new installation afterwards. The Windows.old folder contains a copy of the previous Windows installation, and can be quite large in size.

    The Windows.old folder is safe to delete if you do not want anything in it.

    https://www.tenforums.com/tutorials/2...dows-10-a.html
    Well, it was just updating from build 10041 to 10074, so I guess I already have everything that's there. And why not simply plain delete the folder in explorer ?
      My ComputerSystem Spec
  6.    09 May 2015 #6
    Join Date : Jan 2014
    Oak Ridge TN, USA
    Posts : 24,523
    Windows 10 Pro x64

    Quote Originally Posted by Marron View Post
    Well, it was just updating from build 10041 to 10074, so I guess I already have everything that's there. And why not simply plain delete the folder in explorer ?
    Windows.old is a system folder and it must be deleted via Disk Cleanup.
      My ComputerSystem Spec
  7.    09 May 2015 #7
    Join Date : Sep 2014
    Posts : 91
    64-bit 10240 10 Pro

    Quote Originally Posted by BunnyJ View Post
    Windows.old is a system folder and it must be deleted via Disk Cleanup.
    No there are other ways to do it as explained in the link in Brinks Post.
      My ComputerSystem Spec
  8.    09 May 2015 #8
    Join Date : Jan 2014
    Oak Ridge TN, USA
    Posts : 24,523
    Windows 10 Pro x64

    Quote Originally Posted by Gary View Post
    No there are other ways to do it as explained in the link in Brinks Post.
    Ok.. but I like the Disk Cleanup method and it does work.
      My ComputerSystem Spec
  9.    09 May 2015 #9
    Join Date : Oct 2013
    Posts : 25,658
    64-bit Windows 10 Pro build 17046

    Quote Originally Posted by Marron View Post
    Well, it was just updating from build 10041 to 10074, so I guess I already have everything that's there. And why not simply plain delete the folder in explorer ?
    Windows will not let you just simply delete it like that since it's a protected system folder. You can use any of the options in the tutorial link I posted to delete it though.
      My ComputersSystem Spec
  10.    09 May 2015 #10
    Join Date : Apr 2014
    Space coast of Florida
    Posts : 5,368
    Windows 10 Pro X64 16299.19

    The one use I had for Windows.old was to create a ISO to use for additional or clean installs using the ESDtoISO tool. Now with the Windows 10 ISOs being published, that is no longer necessary so I delete it.
      My ComputersSystem Spec

 
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