If you have a valid license, here is the only safe channel:
Autodesk Mechanical Desktop 2009 is a 3D computer-aided design (CAD) software that was widely used for mechanical design, simulation, and analysis. It was part of the Autodesk Desktop series and was popular among engineers, designers, and manufacturers. autodesk mechanical desktop 2009 download verified
Autodesk Mechanical Desktop (MDT) 2009 was the final version of this software before it was discontinued. Finding a download today is difficult because Autodesk has officially retired the product and generally only provides official downloads for versions up to 3–5 years back. Official Download & Verification Status If you have a valid license, here is
Supported wireframe, surface, and solid modeling within a single environment. Finding a download today is difficult because Autodesk
Using MDT 2009 today requires a valid perpetual license from back then. Unauthorized downloads from third-party sites are not verified , may contain malware, and are legally problematic.