?

1, win +X and select "command prompt (administrator)" (of course, there are many ways, and the above one is the simplest).

2. Enter powercfg -h off.

You will find that drive C will be empty soon, and the memory space of the computer will become larger.

Web page input: Slimming for windows8, follow its method:

Physical examination with 360 security guards//cleaning up garbage//slimming system for the first time. Good luck.