: Once the aircraft loads, a license activation window should automatically pop up. Carefully copy and paste your 24-character code into the field and click "Activate Product" .
To activate your aircraft in FSX or FSX: Steam Edition, follow these standard steps:
When you purchase the PMDG 737 NGX, your unique 24-character activation key is sent to your .
: If you have lost the email, log into your account on the official PMDG website. You can view your order history and retrieve keys there. Step-by-Step Activation Process