That being said, here's a post that provides some general information and alternatives:
: If price is a barrier, consider legally free alternative CAD applications such as FreeCAD or LibreCAD, which run perfectly on modern 64-bit operating systems without security risks. 2005 version of AutoCad Lt won't run on Windows & 64-bit OS autocad 2005 64 bit download torrent work work
Some users use third-party tools like the Longbow Converter to modify the installer, allowing legacy versions to run natively on modern 64-bit Windows. That being said, here's a post that provides
Run it in its native habitat where it won't crash. Do you need it for learning or a specific work project ? Do you need it for learning or a specific work project
While the idea of downloading AutoCAD 2005 may seem like a simple solution for accessing legacy files or running lightweight software, attempting to find a "64-bit torrent" version presents significant technical, legal, and security hurdles. Technical Compatibility Limits