Instructions
Go to the Fullterrain website to purchase an FTX add-on from ORBX. You can download the files to your computer or order a DVD. Whichever option you choose, install the add-on to your Flight Simulator X installation on your Alienware computer.
Click the Windows "Start" button and "Control Panel."
Click "Adjust Screen Resolution."
Click the "Resolution" drop-down menu and select a resolution size that has a ratio of 16:9, the required aspect ratio for 1080p. For example, select "1680 x 1050" or "1900 x 1200."
Click "Apply." Windows will immediately adjust your Alienware computer's screen resolution. If you are satisfied with the resolution displayed, click "Keep."