This is just an updated backup. If the hard disk space is tight, it can be deleted completely. However, there is one drawback. After deletion, the installed updates can no longer be deleted from the control panel. Therefore, it is best to make a backup after the system runs normally for a period of time before deleting it. In order to keep the deleted state, it is best to turn off the system update to prevent the file from being written again (open 360 to patch it for you).

Which files can be deleted from drive C:

1. Open my computer and enter drive C.

2. Select Windows under drive C, and then find help. Help files can be deleted. You can also navigate to the folder "C:\Windows\winsxs\Backup" or delete it.

3. Open the computer housekeeper, find the toolbox, enter the system, and then find the system to slim down.

4. Click to enter the system to slim down, scan the system junk files and remove them.