Add user to Administrator group

Add user to the local administrator group in Windows Computer Management

Step 1: Right-click on Computer/My Computer, and select Manage.

Step 2: Expand Local User and Groups. And select Users folder.

Step 3: It lists all existing users on your Windows. Right-click on the user you want to add to the local administrator group, and select Properties.

Select user

Step 4: The Properties dialog opens. Select the Member Of tab. You can see which group the user belongs to. Then click on the Add button.

Click Add button

Step 5: The Select Groups dialog opens. Click the Advanced button.

Advanced

Step 6: Click on the Find Now button. Then it displays all groups. Select your target local administrator group name, and click on OK.

Step 7: Click on OK to add this user to the local administrator group.

Add this user to local admin group