: You can "trick" the installer by temporarily changing your reported .NET version to 4.5 in the Windows Registry under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Client .
As of March 10, 2025, Autodesk discontinued activation services for the 2015 version. Official download links are largely removed from the Autodesk Account portal autocad lt 2015 download fix
and delete it if you are performing a fresh re-installation. Autodesk Community, Autodesk Forums, Autodesk Forum Download and Activation Fixes Faulty Download Manager : You can "trick" the installer by temporarily
Download and install the latest "Autodesk Licensing Service" update from the official support site. Even for 2015 versions, a newer licensing component can sometimes bridge the communication gap with modern servers. autocad lt 2015 download fix