: Autodesk offers free trials for its software, including AutoCAD 2022. Additionally, students and educators might be eligible for free access through the Autodesk Education program.

Since Autodesk moved to a subscription-based model, activation is typically handled by signing in with your email. If your license specifically requires a serial number, you can find it using these official methods: Autodesk Community, Autodesk Forums, Autodesk Forum