Double-click my computer-right-click drive C- click Properties-click Disk Cleanup-click OK-click Yes-click OK. During the cleaning process, you can see that the "temporary files" that came in without your permission (you can click "View Files" to view them) have been cleared, and there is more space on the disk. This method should also be used for D, E and F disks.

Clean up at any time:

Open the webpage-click the tools in the top line-click Internet Options-click Delete File in the middle temporary Internet file-tick before deleting all offline content-click OK-click OK after clearing. This can improve the speed of opening the net and space.

A week's disk garbage cleaning:

Click Start-point to all programs, then point to attachments, then point to system tools, then click Disk Defragmenter-click Disk C-and then click Defragmenter (this will take a long time, so it's best to do it when you go to dinner without using a computer. When cleaning, you can see the situation on your own disk, and you can compare it before and after cleaning.)-Jump out of "Cleaning Complete" and click "Close". According to the above, clean disks D, E and F respectively.