- Start the Windows 'Computer Management' console by running 'compmgmt.msc'
In Windows 10 type compmgmt.msc in the search box:
In Windows 7 and Vista click 'Start' and type compmgmt.msc: - Navigate to 'Local Users and Groups' > 'Groups', then right click on 'Administrators' and select 'Add to group'.
- If your user account isn't in the list then click the 'Add' button:
- Enter your account name and click 'OK':