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Cleaning Unnecessary Files on C Drive - Windows 7 with 4GB Free Space

alik321 25881 42
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How can I safely free up space on a Windows 7 C drive without deleting files the system needs?

You can safely free space by running Disk Cleanup on system files, deleting temporary files from C:\Users\\AppData\Local\Temp and C:\Windows\SoftwareDistribution\Download, uninstalling unused programs, and reducing or removing restore-point space if Windows is otherwise running well [#16471449][#16471989][#16472008] If you do not use hibernation, turn it off with `powercfg.exe /hibernate off` to remove the hibernation file, and turn it back on later with `powercfg.exe /hibernate on` if needed [#16471506] If you still need more space, you can shrink the paging file from about 3993 MB to 2048 MB by setting both initial and maximum size to 2048, assuming you have enough RAM [#16471543][#16471584] Use WinDirStat to see what is actually consuming space, especially in the Users folder, and move large libraries to another drive if possible [#16471619][#16472246]
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  • #1 16471434
    alik321
    Level 6  
    Posts: 114
    Rate: 31
    Hello,
    I have Windows 7 and would like to ask what files can be removed from the C drive?
    I have a free 4.00GB/55.5GB.
    I have already used CCleaner and C drive cleanup on the computer, but I still have little disk space, making the computer run less well.
    On C is the entire system and I am afraid that I will delete something that is needed.

    How can I clean the drive of unnecessary files?
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  • #2 16471445
    Epic
    Level 30  
    Posts: 1098
    Help: 147
    Rate: 108
    1.You cleaned only regular files or also system files. If not also carry out the latter.
    2. Most likely, the most space is taken up by saved system restore points, as long as the system is running smoothly, you can delete them.
  • #3 16471449
    Kasek21
    Level 43  
    Posts: 45501
    Help: 4962
    Rate: 3503
    Turn off hibernation if you don't use it.
    Reduce SWAP.
    Remove the contents of the Windows/SoftwareDistribution/Download directory
    Remove the contents of TEMP directories.
    Remove restore points and change the amount of space allocated for them.
    Uninstall software you are not using.
  • #4 16471504
    alik321
    Level 6  
    Posts: 114
    Rate: 31
    Kasek21 wrote:
    Disable hibernation if you don't use it.
    Reduce SWAP.
    Remove the contents of the Windows/SoftwareDistribution/Download directory
    Remove the contents of the TEMP directories.
    Remove restore points and change the amount of space allocated for them.
    Uninstall the software you are not using.


    I am using hibernation, but I can remove this feature due to lack of disk space. To disable hibernation in the cmd command line I type powercfg.exe /hibernate off, and to enable powercfg.exe /hibernate on ?
  • #5 16471506
    Kasek21
    Level 43  
    Posts: 45501
    Help: 4962
    Rate: 3503
    alik321 wrote:
    To disable hibernation at the cmd command line, does he type powercfg.exe /hibernate off, and to enable powercfg.exe /hibernate on ?

    Yes.
  • #6 16471507
    alik321
    Level 6  
    Posts: 114
    Rate: 31
    Epic wrote:
    1. Did you purge only regular files or also system files. If not also carry out the latter.
    2. Most likely, the most space is taken up by saved system restore points, as long as the system is running smoothly, you can delete them.


    1. Yes ordinary files, as well as system files
    2.System restore point I have no points. There is one, but he does not take 0GB. So I guess it doesn't work

    Added after 1 [minute]:

    Kasek21 wrote:
    Disable hibernation if not using.
    Reduce SWAP.
    Remove the contents of the Windows/SoftwareDistribution/Download directory
    Remove the contents of the TEMP directories.
    Remove restore points and change the amount of space allocated for them.
    Uninstall the software you are not using.


    And what is the point of reducing SWAP ?
  • #7 16471515
    Kasek21
    Level 43  
    Posts: 45501
    Help: 4962
    Rate: 3503
    How much RAM do you have?
    How much does the paging (SWAP) file take up now?
  • #8 16471527
    alik321
    Level 6  
    Posts: 114
    Rate: 31
    Kasek21 wrote:
    How much RAM do you have?
    How much does the paging (SWAP) file take up now?



    RAM 4.00 GB (available 3.90 GB)
    SWAP file I can't find
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  • #9 16471543
    Kasek21
    Level 43  
    Posts: 45501
    Help: 4962
    Rate: 3503
    Control Panel -> System -> Advanced System Settings -> Advanced -> Settings -> Advanced -> Virtual Memory.
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  • #10 16471550
    alik321
    Level 6  
    Posts: 114
    Rate: 31
    Kasek21 wrote:
    Control Panel -> System -> Advanced System Settings -> Advanced -> Settings -> Advanced -> Virtual Memory.

    3993 MB
  • #11 16471555
    Kasek21
    Level 43  
    Posts: 45501
    Help: 4962
    Rate: 3503
    You can set it to 2048MB.
  • #12 16471582
    alik321
    Level 6  
    Posts: 114
    Rate: 31
    Kasek21 wrote:
    You can set it to 2048MB.

    Maximum size?
  • #13 16471584
    Kasek21
    Level 43  
    Posts: 45501
    Help: 4962
    Rate: 3503
    Set the initial size and maximum size the same, that is, to 2048.
  • #14 16471619
    Matuzalem

    Level 43  
    Posts: 17279
    Help: 1651
    Rate: 1079
    To do without guessing in questions and cycling in answers, please use here: https://windirstat.net/ tool available and present, as a snapshot, what the program window will show (including the view at levels lower than folders).
    Company Account:
    Doradztwo podatkowe
    Wilczyńskiego 25/13, Olsztyn, 10-686
  • #15 16471620
    Epic
    Level 30  
    Posts: 1098
    Help: 147
    Rate: 108
    Run a disk scan with all options checked. Restart the computer and when the scan is finished, see if the amount of space has not changed.

    Sometimes as a result, errors, free space may be treated as occupied scan can fix this.
  • #16 16471909
    alik321
    Level 6  
    Posts: 114
    Rate: 31
    Epic wrote:
    Run the disk scan with all options checked. Restart your computer and when the scan is complete, see if the amount of space has changed.

    Sometimes due to, errors free space can be treated as occupied scan can fix this.


    http://www.instalki.pl/demonstracje/systemowe...nie-dysku-twardego-w-poszukiwaniu-bledow.html


    In this way?


    Added after 18 [minutes]:

    Matuzalem wrote:
    To do without guessing in questions and cycling in answers, please use here: https://windirstat.net/ tool available and present, as a snapshot, what the program window will show (including the view at levels lower than folders).


    Cleaning Unnecessary Files on C Drive - Windows 7 with 4GB Free Space Cleaning Unnecessary Files on C Drive - Windows 7 with 4GB Free Space Cleaning Unnecessary Files on C Drive - Windows 7 with 4GB Free Space Cleaning Unnecessary Files on C Drive - Windows 7 with 4GB Free Space
  • #17 16471937
    Kasek21
    Level 43  
    Posts: 45501
    Help: 4962
    Rate: 3503
    Clear the recycle garbage can

    What in the Users directory is taking up so much space? Post a screen shot of the program.
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  • #19 16471954
    alik321
    Level 6  
    Posts: 114
    Rate: 31
    Cleaning Unnecessary Files on C Drive - Windows 7 with 4GB Free Space Cleaning Unnecessary Files on C Drive - Windows 7 with 4GB Free Space Cleaning Unnecessary Files on C Drive - Windows 7 with 4GB Free Space

    This is from the Windows folder

    Added after 3 [minutes]:

    Cleaning Unnecessary Files on C Drive - Windows 7 with 4GB Free Space Cleaning Unnecessary Files on C Drive - Windows 7 with 4GB Free Space

    Program files
  • #20 16471969
    Kasek21
    Level 43  
    Posts: 45501
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    Rate: 3503
    Post the contents of the Users directory yet.
  • #21 16471973
    alik321
    Level 6  
    Posts: 114
    Rate: 31
    Cleaning Unnecessary Files on C Drive - Windows 7 with 4GB Free Space
    Cleaning Unnecessary Files on C Drive - Windows 7 with 4GB Free Space


    In Users this file takes up the most space
  • #22 16471989
    maxmario
    Level 12  
    Posts: 61
    Help: 2
    Rate: 27
    And just out of curiosity with the windows program you used? right click on the drive c: ->properties (general) ->disk cleanup -> more options tab -> System Restore and background copies clean button and on the cleanup tab select the appropriate items and OK

    empty the folders:
    C:usernameAppDataLocalTemp
    C:WindowsSoftwareDistribution
    Download.
  • #23 16471998
    alik321
    Level 6  
    Posts: 114
    Rate: 31
    maxmario wrote:
    And just out of curiosity with windows program did you use? right click on drive c: ->properties (general) ->disk cleanup -> more options tab -> System Restore and background copies clean button and on the cleanup tab select the appropriate items and OK

    empty the folders:
    C:AppData
  • #24 16472002
    maxmario
    Level 12  
    Posts: 61
    Help: 2
    Rate: 27
    clean up your system files it will come up
  • #25 16472008
    Kasek21
    Level 43  
    Posts: 45501
    Help: 4962
    Rate: 3503
    alik321 wrote:
    There is no system restore tab, then what should I take?
    System restore is enabled - if not then it won't appear ;)
    Overall is Ok and you can leave it that way.
  • #26 16472010
    alik321
    Level 6  
    Posts: 114
    Rate: 31
    maxmario wrote:
    clean system files it will come up



    I cleaned it up, but it took up nothing


    Added after 1 [minute]:

    maxmario wrote:
    And just out of curiosity what windows program did you use? Right click on disk c: ->properties (general) ->disk cleanup -> more options tab -> System Restore and background copies clean button and on the cleanup tab select the appropriate items and OK

    empty the folders:
    C:
    Users user nameAppData\LocalTemp
    C:
    Windows softwareDistributionDownload


    Can I safely delete files from the folder C:
    Users user nameAppData\LocalTemp ?
  • #27 16472017
    maxmario
    Level 12  
    Posts: 61
    Help: 2
    Rate: 27
    alik321 wrote:

    Can I safely delete the files in the C:³³³³ folder ?


    yes you can delete the entire contents.
  • #28 16472021
    Kasek21
    Level 43  
    Posts: 45501
    Help: 4962
    Rate: 3503
    alik321 wrote:
    Can I safely delete the files in the C:³³³³Admin³AppData³LocalTemp folder ?
    Yes.

    alik321 wrote:
    I have a free 4.00GB/55.5GB

    How much is there now?


    Updates + some apps do their thing and 55GB on the system partition is such a minimum for the system.

    This system partition is on an SSD or HDD?
  • #29 16472037
    alik321
    Level 6  
    Posts: 114
    Rate: 31
    Kasek21 wrote:
    alik321 wrote:
    Can I safely delete the files from the C:³³³³ folder ?

    Yes

    alik321 wrote:
    I have 4.00GB/55.5GB free

    How much is there now ?

    12.8GB
    Updates + some applications are doing their thing and 55GB on the system partition is such a minimum for the system.

    This system partition is on SSD or HDD?



    and how to check?
  • #30 16472080
    Kasek21
    Level 43  
    Posts: 45501
    Help: 4962
    Rate: 3503
    I understand that you now have 12.8GB of free space? This is OK with a 55GB system partition.

    alik321 wrote:
    and how to check?

    What how to check?

    Do you have an SSD? If not then it doesn't matter.
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Topic summary

✨ The discussion revolves around optimizing disk space on a Windows 7 system with limited free space (4GB out of 55.5GB). Users suggest various methods to clean unnecessary files from the C drive, including removing system restore points, disabling hibernation, clearing TEMP directories, and uninstalling unused software. Tools like CCleaner and WinDirStat are recommended for analyzing disk usage. Users also discuss managing the SWAP file size and the importance of maintaining sufficient free space for system performance. The conversation includes inquiries about safely deleting specific files and the implications of system backups.
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FAQ

TL;DR: Freeing 8-13 GB (15-24 % of a 55 GB system partition) is typical after deleting TEMP, SoftwareDistribution and hibernation files. "55 GB on the system partition is such a minimum" [Elektroda, Kasek21, post #16472021] Run Disk Cleanup, disable hiberfile, then audit with WinDirStat.

Why it matters: More than 10 % free space keeps Windows Updates, paging and defragmentation working without slow-downs.

Quick Facts

• Hibernation file = installed RAM (4 GB shown) [Microsoft Docs, 2023]. • Pagefile guideline: 1–1.5 × RAM; min 1 GB [Microsoft Docs, 2023]. • System Restore can use up to 5 % of drive by default [Microsoft Support, 2021]. • Windows 7 clean install: approx. 18–20 GB footprint [Microsoft Docs, 2020]. • Windows Update needs at least 2 GB (≈5 %) free to complete successfully [Microsoft Support, 2022].

Which Windows 7 folders are safe to clear for quick space gains?

Delete Recycle Bin, C:\Windows\SoftwareDistribution\Download, C:\Users\\AppData\Local\Temp, browser caches and old restore points. These held over 8 GB in the thread example [Elektroda, alik321, post #16471909] Always close running apps first.

How do I disable or re-enable hibernation?

Open Command Prompt as Administrator.
  1. powercfg.exe /hibernate off – removes hiberfil.sys (saves RAM size of space).
  2. powercfg.exe /hibernate on – restores it when needed [Elektroda, alik321, post #16471504]

What paging-file size suits 4 GB RAM?

Set both initial and maximum size to 2048 MB to halve disk usage yet keep stability [Elektroda, Kasek21, post #16471584] Microsoft recommends at least 1 GB or RAM size whichever is larger [Microsoft Docs, 2023].

Is it safe to empty C:\Windows\SoftwareDistribution\Download?

Yes. The folder only stores downloaded update packages; Windows rebuilds it after the next scan [Microsoft Support, 2022]. Stop the Windows Update service first for stubborn files.

Can I wipe everything in the Temp folders?

Yes. Items in %TEMP% and AppData\Local\Temp are disposable once applications close [Elektroda, maxmario, post #16472017] Skip files that report “in use.”

How do I shrink space used by System Restore?

Control Panel → System → System Protection → Configure. Move the slider to 2–3 GB (≈4–6 % of 55 GB). Keep at least one restore point for safety [Microsoft Support, 2021].

Should I delete old Windows Backup or system-image files?

Use Control Panel → Backup and Restore → Manage space. Remove failed images like the 568 MB orphan shown in the thread [Elektroda, alik321, post #16472169] Deleting files manually can corrupt catalog data.

Are .cab or .zip caches under ProgramData safe to remove?

Only delete them if you uninstall the related software. The Adobe and Visual C++ cab files listed store installer data; removing them breaks repair/uninstall options [Adobe KB, 2022].

How can I tell if my C: drive is SSD or HDD?

Press Win+R → dfrgui. The Optimise Drives window labels media type as “Solid-state drive” or “Hard disk” [Microsoft Docs, 2020]. Disabling defrag on SSDs prevents unnecessary writes.

What happens if Windows runs out of virtual memory after you shrink the pagefile?

Programs may crash with “Out of memory” errors. Re-enable “System managed size” or raise the pagefile to 1.5 × RAM immediately [Microsoft Docs, 2023].

3-step: Find space hogs with WinDirStat

  1. Run WinDirStat as Administrator.
  2. Select C: and wait for the treemap.
  3. Right-click largest blocks → Explore here → decide to delete or move [Elektroda, Matuzalem, post #16471619]

What free-space level keeps Windows 7 healthy?

Maintain at least 10 % free. Below 5 %, Windows Update and defragmenter can fail [Microsoft Support, 2022]. The user’s system stabilised once free space rose from 4 GB to 13 GB (24 %) [Elektroda, alik321, post #16472113]

Edge case: Does disabling hibernation break anything?

Hibernation controls Fast Startup on newer hardware and hybrid sleep. Laptops lose the ability to save battery-critical state when off [Microsoft Docs, 2023]. Re-enable before lengthy battery use.

How do I move Documents or Desktop to another drive?

Right-click the library → Properties → Location → Move… Select D:\. Windows updates shortcuts automatically [Download.net tutorial, 2014].

Are third-party cleaners like CCleaner or PrivaZer safe?

CCleaner’s standard scan is generally safe but has caused registry issues in rare cases [Avast Advisory, 2022]. PrivaZer offers deeper cleaning; back up or create a restore point first [Elektroda, pidar, post #16476130]
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