The first Config.msi can be deleted, and Microsoft upgrades the temporary file;

Second, Intel can delete files generated by installing Intel programs, which is useless;

The third media can be deleted;

The fourth MSOcache can be deleted, and the Microsoft Office installation file cache directory;

Fifth, NVIDIA can delete the installation files for installing NVIDIA graphics cards;

The sixth performance log can delete and record files.

If you want to clean up files for drive C to lose weight, you can do the following:

1. Select "Delete browsing history on exit" in IE "General" option;

2. Select "Close Browser" and "Temporary Internet Folder" in IE's advanced options;

3. Delete the temporary files in the WIndows\Temp directory;

4. Delete the temporary files in the %USERPROFILE%\Temp directory;

5. Turn off hibernation at runtime and run "Power CFG-off";

6, close the system restore;

7. Do not install the software unless necessary.