Because the IXEG 737 is a payware product, you won't find a legitimate "free" download link. Here is the official way to get your files: Log into your account at X-Aviation. Order History: Navigate to your "Downloads" section.
If you already own the aircraft, the V1.2 update is free. If you are a new buyer, the latest download will automatically include the most recent version compatible with your simulator. forums.x-pilot.com : Access your account at the X-Aviation Account History page Locate Product : Find your original Take Command! IXEG 737 Classic Re-download -X-Plane 11- IXEG 737-300 V1.2 version download
Version 1.2 was a significant milestone that stabilized the aircraft for X-Plane 11. Systems Fidelity Because the IXEG 737 is a payware product,