Windows 10: Compress or Uncompress Windows 10 with Compact OS

Discus and support Compress or Uncompress Windows 10 with Compact OS in Windows 10 Tutorials to solve the problem; Very awesome, thanks a lot for your super quick response *Biggrin It's working like it should. Discussion in 'Windows 10 Tutorials' started by DavidY, Sep 10, 2015.

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  1. CLOUDTIME
    Cloudtime Win User

    Compress or Uncompress Windows 10 with Compact OS


    Very awesome, thanks a lot for your super quick response *Biggrin It's working like it should.
     
    Cloudtime, Apr 22, 2016
    #16
  2. Brink
    Brink New Member

    You're most welcome. *Smile
     
    Brink, Apr 22, 2016
    #17
  3. SOYABEANER
    Soyabeaner Win User
    Just some info regarding the performance impact that CompactOS has on my own system:
    On my Samsung 840 EVO 120GB SSD when I clean installed Windows 10 it has always been in the non-compacted state. After the Anniversary Update, it automatically changed to the compacted state for unknown reasons. I had to re-tweak a lot of settings in Windows 10 as each major update is almost essentially a new install all over. Everything seems to been fine, even my boot time seems a bit faster. Except for my shutdown time - it went from 5-6 seconds (with hibernation and fast startup disabled) to 11+ seconds. Just a moment ago I confirmed my theory that the cause of the longer shutdown was due to CompactOS by turning it off. Low and behold it changed to 2 seconds! My boot time remains the same, and my OS drive space usage only increased by around 1.5 to 2 GB. I'm keeping it uncompressed since I don't notice any difference in daily performance.

    Results obviously vary between systems.
     
    Soyabeaner, Aug 16, 2016
    #18
  4. ARACHNAUT
    arachnaut Win User

    Compress or Uncompress Windows 10 with Compact OS

    Just noticed that the Anniversary update changed my compactOS setting (which was 'never').
    Apparently, 'never' means 'until we meet again'.

    So, I needed to run this again:

    ADMIN>compact /compactos:never

    Technically, it wasn't compacted because this is the command sequence I saw/executed:

    Code: C:\WINDOWS\system32>compact /compactos:query The system is not in the Compact state but may become compact as needed. C:\WINDOWS\system32>compact /compactos:never Completed uncompressing OS binaries. 0 files within 14484 directories were uncompressed. C:\WINDOWS\system32>compact /compactos:query The system is not in the Compact state. It will remain in this state unless an administrator changes it. C:\WINDOWS\system32>[/quote] This tends to make me wonder just which version of Windows updates will change the OS properties that are set in the prior version?

    In other words, it isn't Windows 10 anymore, just a newly visited Windows.
     
    arachnaut, Apr 4, 2018
    #19
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