Autodesk Revit 2025 Serial Number Activation. If you upgrade your product from an earlier version, you may need to provide your old serial number. Productversion is a key in the given registry branch (hklm).

Make sure you use the correct product key for the autodesk product and version you are installing. With the introduction of the autodesk 2020 software release, changing the licensing now requires commands to be entered via an elevated command prompt.