1.    01 Apr 2016 #1
    Join Date : Mar 2016
    Posts : 9
    Windows 10

    Unexplained disk space usage


    So I got a new Dell laptop with 120GB SSD, and I installed Windows 10 on it. After installation I had 90GB free space, and that seemed normal because I thought it needed space for all the system files. Then I installed Visual Studio and some minor programs and I was at 70GB. I though it wasn't a big deal yet. Then I installed a few more minor programs, none of which exceeded 5GB in total, and now I'm at 49GB free space. That's when I started worrying something might be wrong. I asked some tech guy I know about it and he said that Windows 10 saves backups of files or something and that I need clear temp files or something. I didn't quite understand him, so I'm posting here in case someone else knows what to do.
    Any ideas?
    Thanks
      My ComputerSystem Spec
  2.    01 Apr 2016 #2
    Join Date : Oct 2013
    Posts : 1,962
    Windows 7

    Check your shadowstorage. Use this command in an elevated command prompt

    vssadmin list shadowstorage

    If it is quasi zero, then we are on the wrong track.
      My ComputerSystem Spec
  3.    02 Apr 2016 #3
    Join Date : Mar 2016
    Posts : 9
    Windows 10
    Thread Starter

    It says 'no items found that satisfy the query'
      My ComputerSystem Spec
  4.    02 Apr 2016 #4
    Join Date : Oct 2013
    Posts : 1,962
    Windows 7

    That is a bit strange, but so be it. And you are sure you used admin mode.
      My ComputerSystem Spec
  5.    02 Apr 2016 #5
    Join Date : Feb 2016
    Maribor, Slovenia
    Posts : 9,254
    Windows 10 (Pro and Insider Pro)

    You can check first, where your disk space is.
    You can do it with Settings/System then pick Storage and click on C: drive
    You will get list like this, which you can explore further.
    For more detailed view, use third party program like treesize free or similar.
    Attached Thumbnails Attached Thumbnails 2016_04_02_20_36_121.png  
      My ComputerSystem Spec
  6.    03 Apr 2016 #6
    Join Date : Mar 2016
    Posts : 9
    Windows 10
    Thread Starter

    I guess I forgot to mention that I also installed Windows 8 and then upgraded to Windows 10.
    Turns out it was keeping 26.5GB of temporary files as previous versions. Deleted those, seems fine now.
    Thanks anyway
      My ComputerSystem Spec
  7.    03 Apr 2016 #7
    Join Date : Jul 2015
    Posts : 898
    Windows 10 Home

    Quote Originally Posted by aleksakojadinov View Post
    I guess I forgot to mention that I also installed Windows 8 and then upgraded to Windows 10. Turns out it was keeping 26.5GB of temporary files as previous versions. Deleted those, seems fine now. Thanks anyway

    If this was the Windows.old file which the Upgrade created to back up your Win8 state, you can no longer roll back to 8, so it's 10 for good now.
      My ComputerSystem Spec
  8.    03 Apr 2016 #8
      My ComputerSystem Spec

 


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