If you need to work as administrator on your system without having to deal with the UAC, you can enable the built-in administrator account. This account is disabled by default, but can be enabled by following these instructions.

1. Click the Orb (Start button).

2. Click All Programs.

3. Go into Accessories.

4. Right-click on Command Prompt.

5. Select Run as administrator.

6. When the UAC prompt appears, select Yes.

The Command window with the elevated command prompt will appear.

To enable the Windows 7 administrator account, execute the following at the command prompt:
net user administrator /active:yes

To disable the Window 7 administrator account, execute the following at the command prompt:
net user administrator /active:no