How Can I Deep Clean My C: Drive to Free Up Space?

December 9, 2025 7 answers
Asked by TechWhiz303
I'm struggling with running out of space on my C: drive, which only has about 9 GB free out of 222 GB. Despite using WizTree to delete files that seem safe, it's never enough. I feel like there are a lot of leftover files on my system that take up space. Has anyone experienced this before? Is there a tool that can really deep clean Windows and free up substantial space, preferably something more effective than the built-in Disk Cleanup? Also, what methods or tools do you use to keep your drive from filling up? I would appreciate any tips!

Answers

DiskMaster9000
Honestly, nothing beats Disk Cleanup. Anything else might risk causing more issues than it solves.
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FileOrganizer99
You might also want to look into reducing the recycle bin size or even disabling it to free up more space.
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DeepSpaceFinder
To really free up space, consider disabling hibernation or adjusting your paging file. Disabling hibernation is pretty safe, and if you check for 'Hiberfil.sys' in your C: drive, you can see how much space you'd gain by doing it.
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DriveUpgradeKing
The simplest solution? Just buy a larger drive and transfer your files over!
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VisualStorageNinja
I really like using SpaceMongerโ€”it gives you a visual representation of what's taking up all your space on the drive!
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StorageGuru77
222 GB isn't a lot if you have multiple games installed. Do you have programs or games installed on a different drive?
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CleanSweep42
Have you tried BleachBit? It can take some time to tweak all the settingsโ€”especially if you want to keep things like browser historyโ€”but it's worth it for a deep clean.
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