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  1.    29 Jul 2015 #11
    Join Date : Oct 2014
    New Jersey
    Posts : 148
    windows 10

    what about windows old? that is 27 GB, but does not show up in disk clean up
      My ComputerSystem Spec
  2.    29 Jul 2015 #12
    Join Date : Jul 2015
    Posts : 243
    Win 10 Pro 64bit
    Thread Starter

    Quote Originally Posted by JoeShades View Post
    what about windows old? that is 27 GB, but does not show up in disk clean up
    That's your old Windows installation. You can delete it if you never want to revert back or need anything from it.
      My ComputerSystem Spec
  3.    30 Jul 2015 #13
    Join Date : Jul 2015
    Posts : 4
    windows10

    Quote Originally Posted by Nus View Post
    Well, I've had no issues since deleting it. Done a number of reboots, changed account to local, etc.

    It was created during the upgrade and just looked like it contained the Win 10 image.
    to me it looks like $Windows.~WS , besides the win10Image, also contains personalized xml files; i will double check it, and post my last impression about true/false: pc-personalized $Windows.~WS.
      My ComputerSystem Spec
  4.    30 Jul 2015 #14
    Join Date : Oct 2013
    Wolves, England
    Posts : 1,634
    W7 Pro x64 | W10 IP x64 | Linux Mint VM

    Quote Originally Posted by JoeShades View Post
    what about windows old? that is 27 GB, but does not show up in disk clean up
    Did you run Disk Cleanup as Administrator? It should show then.
      My ComputerSystem Spec
  5.    30 Jul 2015 #15
    Join Date : Jul 2015
    United States
    Posts : 165
    Windows 10 Home x64

    Yea, running the clean up even as an admin has kept the $Windows.~WS folder.
      My ComputerSystem Spec
  6.    30 Jul 2015 #16
    Join Date : Dec 2013
    Portsmouth Hampshire
    Posts : 1,771
    Windows 10 x86 14383 Insider Pro and Core 10240

    $windows.~WS contains 2 images, one an ESD (installx86.esd or installx64.esd) in sources, and another is an install.wim in $windows.~WS\sources\windows\sources.

    If you have used the Media Creation tool, after taking a compressed snapshot of your system in sources\Panther during the mini-setup phase, it next downloads an ESD, then decrypts it to a windows setup filesystem (sources\windows\) identical to the files and folders that are found on the resultant windows.iso.

    It also starts to make a minimal $Windows.~BT, containing sources\Panther in case an upgrade is continued immediately.

    One odd thing is that the Install.wim file on the iso for the DVD is not a normal WIM file, it fails to apply the image with DISM and cannot be extracted or examined in 7-zip. It may just be an ESD with an extension change to fool inquisitive folk for the moment.

    Now what I don't know is if the $windows.~WS also is created during the upgrade process for GA, because I haven't done that yet.

    The tool then can create a DVD or USB setup drive.

    Taking up about 6GB, It should be deleted if you have the Iso or USB setup drive. Clean up has not been told about this file extension yet. It will come in some later update.
      My ComputersSystem Spec
  7.    30 Jul 2015 #17
    Join Date : Jul 2014
    Posts : 80
    Windows 10 Pro/ Windows 8 Enterprise

    I think that the $windows.~WS folder is created when running Media creation tool.
      My ComputerSystem Spec
  8.    30 Jul 2015 #18
    Join Date : Oct 2014
    Manchester CT
    Posts : 358
    Windows 10 Fast Ring

    Quote Originally Posted by werty View Post
    I think that the $windows.~WS folder is created when running Media creation tool.
    Indeed it is. The BT and the WS folders are the same thing, the feedstock for the Windows upgrade. If your copy of Win10 is activated, then you can run disk cleaner to get rid of the windows.old and the $windows --BT folders. The $windows---WS folder does NOT clean up by the disk cleaner. After a few reboots, I just deleted the folder after backing it up (just in case) and nothing has happened in the past day so looks OK to delete.
      My ComputerSystem Spec
  9.    31 Jul 2015 #19
    Join Date : Jul 2015
    Posts : 14
    Windows 10 x64

    I deleted it .. from the command prompt (using troubleshooting / .. command prompt before bootup) .. it worked well and I have not experienced any problems at all.
      My ComputerSystem Spec
  10.    31 Jul 2015 #20
    Join Date : Jul 2015
    United States
    Posts : 165
    Windows 10 Home x64

    The @WindowsSupport Twitter page advised me not to remove it just yet.

    Hello! That folder is a set up folder for Windows 10. We recommend not deleting it just yet.
      My ComputerSystem Spec

 
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