Hyberfil.sys literally sucks your hard drive dry. If you don’t use hibernate mode on your computer then you can save a ton of disc space by telling windows to stop using the option.
In the command prompt just type in-
“powercfg -h off”
The computer will pause for a sec and then you’ll notice about %10 of your hard space was recovered. This is because windows deleted the file hiberfil.sys.
You can find the folders that are eating up your drives by using the app WinDirStat. It’s kickass!
You can also compress your “Installers” folder in the “Windows” folder to free up another nice chunk.
After using these options my hard drive is looking good again. Went from like zero free-space to over 10Gig free. =D