That's an easy one to fix! You can go to Start>Acccessories and right click on the command prompt icon to select the "run as administrator" option. When having the command prompt open by typing cmd at the Start>Run right click on the command windows itself for that.
Or you can follow the guide for creating a shortcut even download a shortcut for already having the elevated permissions.
Elevated Command Prompt Shortcut
With the shortcut for this you can also right click to pin to the taskbar.