If you're only uninstalling and reinstalling the aircraft, the key does not need to be returned, and it will activate just fine.
NOTE: This should ONLY be used when changing computers, changing to new major hardware (new HDD, mobo, etc), or reinstalling your entire operating system. You can return the license there so that you can then install on your new computer and activate without any issues.
Find the order number for your NGX order and click on it.Textures only you need the PMDG '737 NGX 800/900 Base Pa. The textures are those of an artist interpretation and resulting rendition. These textures represent a P-8A of the United States Navy as a member of VP-30, 'Pros Nest' at NAS Jacksonville. Go to this page, provide your account information: and click Continue. This is a repaint of PMDGs payware P8A Poseidon. PMDG 737NGX 0.00.8 TUTORIAL 2 OVERVIEW Our second tutorial flight has us piloting our winglet equipped 737-800 from EHAM - Amsterdam Schiphol, The Netherlands to LOWI Innsbruck, Austria, high in the Alps.I asked you to download the update for the entire product via your account. I didn't say download the manual from the site, though. Checked page 13 of the introduction manual that comes with the 737 NGX boxed version, and there was nothing there so I downloaded the latest introduction Manual from the PMDG website but also there, no mention of the procedure of releasing the key from the old computer.