1. Cleaning drive C with disk cleaning software can free up about 50M-800M space for drive C. ..

2. Turn off the hibernation function. Enter powercfg -h off in the start menu to turn off hibernation. The actual size of this file is the same as the physical memory, which can free up about 1-3G space for drive C. ..

3. set virtual memory: computer properties > advanced system settings > settings (performance) > advanced tab > change (virtual memory), set drive c as a paging-free file, and then set drive d as a system-managed size. After the change, it can only take effect by pressing the "Settings" button, and finally restart to complete the setting. By default, this file is 1.5 times the physical memory, which can free up about 2-4G space for the C drive.

4. Delete the automatic backup file and run the cmd program (at "Start-> Process-> Attachment"), right-click and select "Run as Administrator"; Then, enter rd/S/Q c:WINDOWS. OLD, you will be prompted to confirm whether to delete the destination folder, enter y and press Enter. Windows. The old one is the backup file of the system. The longer it drags on. It is normal to exceed 10G. Drive C can release more than 3G space.

5. Click "Clean up the garbage" in the main interface of the computer housekeeper, click "Start scanning" after confirming that the relevant garbage types are checked, and then click "Clean up now". If there is any garbage to be confirmed before cleaning, you will confirm it before deep cleaning, so as to clean up the junk files in the computer quickly and safely.