Autodesk no longer offers crossgrades. But you can buy a used perpetual license of AutoCAD LT 2010 or 2011 (still activatable) on secondary markets. Do this at your own risk.
May 11, 2026 | Reading Time: 6 minutes
You cannot download a valid activation code—you must generate it from a valid serial number. Before proceeding, locate one of these: Autocad Lt 2009 Activation Code Download Fix
If you absolutely cannot get a code and you own a license, there is a for legacy Autodesk products: Autodesk no longer offers crossgrades
: You still have the legal right to use the software on a machine where it is installed and activated. Operating System Risks Autocad Lt 2009 Activation Code Download Fix