Open and Use Disk Cleanup in Windows 10  

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  1. Brink's Avatar
    Posts : 56,309
    64-bit Windows 10 Pro for Workstations build 21359
    Thread Starter
       #10

    Just note that checking the System Compression box isn't for deleting files, but to only compress them to save the amount of space displayed for it in Disk Cleanup.
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  2.    #11

    Brink said:
    Just note that checking the System Compression box isn't for deleting files, but to only compress them to save the amount of space displayed for it in Disk Cleanup.
    Thanks for the info.
    Dang it, I will leave it alone then.
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  3. Edwin's Avatar
    Posts : 17,064
    Windows 10
       #12

    MS tech's don't know much more than we do.
    I was of the understanding it compresses non essential system files but I could be mistaken.

    Open and Use Disk Cleanup in Windows 10-00004.png
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  4.    #13

    Thanks Edwin.
    We will have to wait to see what happens to this in future builds then.
    Last edited by COMPUTIAC; 17 Feb 2015 at 22:29.
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  5. Posts : 803
    10 Pro Preview x64
       #14

    The compression works extremely well - 85% for windows and 90% for program files - my windows 10 install (including 51 programs) is (just) under 3GB if you exclude page file and user data etc which is smaller than the ISO I installed it from - see here Microsoft promises less disk space Win10 - Windows 10 Forums
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  6. Brink's Avatar
    Posts : 56,309
    64-bit Windows 10 Pro for Workstations build 21359
    Thread Starter
       #15

    Tutorial updated to add OPTION TWO for extended Disk Cleanup. :)
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  7. Posts : 1,520
    Windows 10 Pro (32-bit) 16299.15
       #16

    Is the system compression option the same as using the command-line function+option:
    "compact /compactos"?

    So for instance this queries the current state:
    Code:
    compact /compactos:query
    And these commands change the state to be on or off.
    Code:
    compact /compactos:always
    compact /compactos:never
    I seem to remember that compactos is only recommended for solid state drives, and indeed the System Compression option doesn't appear in Disk Cleanup on my old laptop with spinning disk.
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  8. Brink's Avatar
    Posts : 56,309
    64-bit Windows 10 Pro for Workstations build 21359
    Thread Starter
       #17

    Hello David, :)

    I believe so, but I have never used it since it would never be good for performance.

    https://www.tenforums.com/tutorials/2...dows-10-a.html
    Last edited by Brink; 10 Sep 2015 at 16:33. Reason: update
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  9. Posts : 6
    Windows 10
       #18

    Thank you!
      My Computer

  10. Frank1's Avatar
    Posts : 316
    Windows 10
       #19

    I might give it a try. I've been using CCleaner for quite sometime. Does anyone know how the two compare with each other?
      My Computer


 
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