1. Clean drive C with disk cleaning software. There are many such softwares on the market, so I won't recommend them here. You can choose what you usually use. Doing so can delete some caches and junk files. Of course, this is only a stopgap measure, and some files need to be deleted manually by ourselves. About 50M-800M space can be released for the C disk.

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, only press the "Settings" button to take effect, 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, run the cmd program (in Start-> Programs-> Accessories), and right-click "Run as Administrator"; Then, enter rd/S/Q at the command line.

C: The window. old

Prompt to confirm whether to delete the target 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. About c-release.

Put more than 3G of space.

5. completing the above points shows that you are not far from success. Next, we need to do some routine cleaning, clean up the software of disk C, and delete useless programs and functions through the control panel, which can free up more than 50M space for disk C. ..

6. Remember to keep good habits after losing weight on disk C. For example, don't let go of too many things on the desktop, and organize disk C and other partitions regularly.

What files can be deleted on drive C?

All files (user temporary files) under 1, c: \ documents and settings \ user name \ local settings \ temp \ can be deleted;

2. c: \ documents and setting \ user name \ cookies \ all files can be deleted;

3. All files (page files) under c: \ documents and settings \ user name \ local settings \ temporary Internet files \ can be deleted;

4. All files (history) under c: \ documents and settings \ user name \ local settings \ history \ can be deleted;

5. You can delete all the files under c: \ documents and settings \ user name \ recent \ (the shortcut for browsing files recently);

6. C: All files (temporary files) under \ Windows \ temp \ can be deleted (which files on drive C can be deleted);

7. C: All files under \ Windows \ service pack files \ (upgraded backup files) can be deleted;

8. You can delete files under C: \ Windows \ Software Distribution \ Download \;

9. The dll file under c: \ Windows \ System32 \ DLlcache \ is a spare dll file, and can be deleted as long as the installation file is copied;

The (hardware backup files) under 10 and c: \ c: \ Windows \ DriverCache \ i386 \ i386 can be deleted.

1 1. If you upgrade windows updade, you can delete all hidden files under C:\windows\ that start with $ u.