40 GB Install?

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  1. Posts : 6
    Windows 7 64 Bit
       #1

    40 GB Install?


    I installed Windows 7 64 bit (clean install) last night and my installation is using up 40GB of space. I have never had this happen before with a new OS install. I looked through a few folders last night trying to track down what is using all of this space and I didn't see anything jumping out at me before I decided to call it a night.

    Anyone have any ideas where I should look?
    Last edited by J3ff; 23 Oct 2009 at 10:09. Reason: added in 64 bit reference.
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  2. Posts : 9,606
    Win7 Enterprise, Win7 x86 (Ult 7600), Win7 x64 Ult 7600, TechNet RTM on AMD x64 (2.8Ghz)
       #2

    Was there a previous version OS on the system before? windows.old folders ?
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  3. Posts : 1,557
    XP, Seven, 2008R2
       #3

    what are your system specs?
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  4. Posts : 28,845
    Win 8 Release candidate 8400
       #4

    J3ff said:
    I installed Windows 7 64 bit (clean install) last night and my installation is using up 40GB of space. I have never had this happen before with a new OS install. I looked through a few folders last night trying to track down what is using all of this space and I didn't see anything jumping out at me before I decided to call it a night.

    Anyone have any ideas where I should look?
    As Doc suggests Is there a windows.old folder?

    Also the OS probably made a restore point. Large page file, hibernation, etc.

    there is an app (free trial) called treesize pro. Its fast, and will show you exactly whats, what.

    Ken
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  5. Posts : 6
    Windows 7 64 Bit
    Thread Starter
       #5

    I did have a Windows.old folder from a previous Vista installation. I have already removed that and dumped the recycle bin. It was using far more than 40GB before I did this.

    Basic System Specs:

    160 GB HD
    4 GB Ram
    2.7 Ghz AMD Athlon 5200+ 64 Bit
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  6. Posts : 6
    Windows 7 64 Bit
    Thread Starter
       #6

    I hadn't thought of a large restore point. I will check that out when I get home, and I will check out Treesize Pro to see where these gigs are being used up.
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  7. Posts : 1,557
    XP, Seven, 2008R2
       #7

    zigzag3143 said:
    treesize pro
    Handy program. I've used that one for a while too. :)

    J3ff if you have a pagefile and hibernate files they could be using up 8GB of space.
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  8. Posts : 5,747
    7600.20510 x86
       #8

    haha I installed Win7 so many times in the last year because of the version upgrades during beta testing that I have memorized all the files and locations of files to delete upon first boot. It's a rather long list. lol
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  9. Posts : 1,557
    XP, Seven, 2008R2
       #9

    sfc /purgecache anyone? (don't do it unless you know what you are doing)

    My XP computers run without a dllcache. Also, system restore is disabled. I find them both pretty much useless.
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  10. Posts : 6
    Windows 7 64 Bit
    Thread Starter
       #10

    Ok. I am not sure what I can remove.

    TreeSize Pro says I have a folder called 'System Volume Information' that is 41,883.3 MB. However, I can't see this folder via Windows Explorer even with it showing hidden files and folders.

    It also shows 6,363.5 MB of files on the root. I also can't see those in Windows Explorer even with it showing hidden files and folders.

    In my Windows folder I also have a folder called Winsxs that is 5,858.8 MB. Not sure if I need this folder?

    I also have a Win7 folder that is 2,430.9 MB in size. Do I need this one and the Windows folder?

    How can I remove files that I can't see? I am at a loss as to what the invisible files are and not sure if the other ones I mentioned are necessary.
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