If you bought AutoCAD 2010 legally and lost the activation code, you might find it in your Autodesk Account (if you registered). Log in at manage.autodesk.com → “All Products & Services” → Legacy versions. If not there, contact Autodesk—they may help reissue, but they won’t bypass activation for cracked software.
Activating AutoCAD 2010 using the Xforce key is a straightforward process. Here are the steps: Autocad 2010 Activation Code Xforce
: Generating codes when a computer was not connected to the internet. If you bought AutoCAD 2010 legally and lost