All right.. lets try some tools to help us out.
First, press the windows key on your keyboard, press R
Then type in %appdata%
In the appdata folder , go to the app data local folder.. And then right click and delete the Temp folder.
Once deleted, next follow this guide to use disk cleanup and have it remove ALL files it can
Then once that is done. Next, go to the videos folder.. Now, you want to delete as many videos as you can ( and empty the recylce bin )
next, go to the control panel and look for any programs you dont use. Uninstall them.
Between all those steps, That should get you down to at least 30% free space.. And thats a reasonable amount of space to keep the computer running normally.
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Senior Technician and Network Switching Systems Operator / Maintainer.