1, first in the start menu, right-click and select Run.

2. enter netplwiz enter,

3. Open the user account and double-click the current account, such as Administrator.

4. Open it as shown in the figure.

5. Enter the name you want to change.

6. Click OK and a warning will pop up. Click Yes, as shown in the figure.

7. After cancellation, it is found that the account name has been changed, as shown in figure.