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Windows 7: HDD shows 300gb used of 400gb - actual files add up to just 100gb?!

25 Apr 2020   #1

Windows 7 Ultimate x64
HDD shows 300gb used of 400gb - actual files add up to just 100gb?!

Hello everyone, as my pc was starting to slow down a bit, I thought I'd check the C drive, where Windows 7 is installed.

There is about 25% space left. I checked the size of various folders, but which each sub-folder, hundreds of GBs appeared to be disappearing!

I understand there are 'hidden files' and folders, but 200gb of them?! Surely not!

If there are useless files I want to get rid of them and free up space - any help or advice would be greatly appreciated with this, thanks!

The screenshots make it clearer:

My System SpecsSystem Spec
25 Apr 2020   #2

Win 10 x64, Linux Lite, Win 7 x64, BlackArch, & Kali

My System SpecsSystem Spec
25 Apr 2020   #3

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64


You couid take a look with free space analyzer thing. There are lots. Glary utilities free does one. It will tell you what is in the user folder

Glary Disk Explorer - Search all of your local drives and individual drivers | Glarysoft
My System SpecsSystem Spec

25 Apr 2020   #4

Windows 7 pro 64-bit sp 1

You have to unhide hidden OS files to get a true look at space usage. You aren't looking at appdata. More than likely there's a lot there. Probably in the tmp folder.
My System SpecsSystem Spec
4 Weeks Ago   #5

Windows 7 Ultimate x64

thankyou, I used the Glary tool, and there were 2 hidden large files, about 50gb each -

1. pagefile.sys - apparently needed as virtual memory, don't delete that!
2. hiberfil.sys - as I have literally never used the hibernation option, I deleted this one, freeing up a lot of space

thankyou to everyone who replied


how to delete the hibernation file - What is hiberfil.sys and how to delete in Windows 7 free up hard drive space - Next of Windows
My System SpecsSystem Spec
4 Weeks Ago   #6

Win 10 x64, Linux Lite, Win 7 x64, BlackArch, & Kali


Glad to hear it!
My System SpecsSystem Spec

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