# Generally, personal data and folders will not be lost after system restoration.
If your computer isn't functioning properly, resetting this computer may resolve the issue.
When restoring, you can choose to keep personal files or delete personal files, and then reinstall Windows.
How to restore the system:
In Win10's "Settings" - "Update and Security" - "Recovery", you can see the "Reset this PC" function.
As you can see from the description, when resetting the computer in Win10, there will be two options, one is "Keep personal files" and the other is "Delete personal files". The difference between the two is as follows:
1. Keep personal files
If you choose to keep personal files, it is equivalent to resetting the system disk (C drive), and only the installed files will be lost. Software programs, except those on the system disk, will still retain other disk files.
2. Delete personal files
If you choose to delete personal files, it means that the system disk and other disks will be formatted. If you select this option, the contents of other disks will be lost.
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