Enter the folder option, click View, clear the check mark in front of hidden and protected operating system files, and then click Show hidden files, folders and drives.
Open drive C, you can see the hidden files in the system, such as $WINDOWS. ~BT。 Learn how to clean files in $WINDOWS. ~BT, you can refer to the following experience link address.
How to safely delete $ TERM $windows? ~ bt from 38Windows.old
Then open C: \ Windows \ Software Distribution \ Download to delete all files.
Third, virtual memory pagefile.sys and sleep hiberfil.sys files. The space occupied by drive C depends on the memory size.
Point to the command prompt opened by the administrator.
Enter the command powercfg -h off to turn off the sleep function of Win 10. To turn it on, enter the command powercfg -h on again.
The next step is to modify the virtual memory. It is not recommended to modify the virtual memory if the space on disk C cannot be vacated by other methods. Click Advanced System Settings.
In the system properties interface, click Advanced-Performance Settings.
Click Advanced in the performance options to change the paging file size of the virtual memory, or you can set the virtual memory to a different partition, which is generally not recommended.