1, Disk Cleaning: Method: Right-click the disk, click Properties, and then select Disk Cleaning.
2. Defragmentation: Method: Right-click the disk, click Properties, select Tools, and then select Start Defragmentation.
3. Delete the patch: the hidden file starting with $Nt in the windows folder of the system disk is the patch file.
4. Uninstall or move the application.
5.IE Cache: Right-click the IE browser icon, click Properties, and then click Delete (as shown). You can also change the location of the cache file so that it does not occupy system disk space.