This is not how much users can reduce if they want. Only after scanning according to the actual situation of the current system can we confirm how many useless junk files can be removed.

Generally speaking, the relationship between the time to clean up 7G junk files and the file size is not the primary influence, but the key is to clean up the single size of files. Small files take a long time to clean up, and large files are done in a few seconds.