Glory notebook accidentally got several user names. How to delete them?

The steps are as follows:

1. Click the logo in the lower left corner, and then click the control panel on the logo.

2. Click this to add and delete accounts, and then you will see three accounts, of which the administrator and guest accounts are self-contained and cannot be deleted. Then the standard users other than the administrator will be deleted. Click the standard user.

3. Click Delete Account and Delete File. If you want to keep the files of this account, please select Save.