Usually begins with a letter (e.g., "U" for 2020).
If you’ve lost your credentials, there are three primary ways to recover them: Usually begins with a letter (e
Upon launching, the "Welcome to SketchUp" window will appear. For many long-time 3D modelers, holds a special
Search your inbox for "SketchUp License" or "SketchUp Pro 2020 Order." This email contains both your serial number and authorization code. You can view your serial number there, though
For many long-time 3D modelers, holds a special place in their workflow. It was the final version of the software to fully support the "Classic" perpetual license before Trimble transitioned exclusively to a subscription-based model.
If SketchUp 2020 is still installed on an old computer, go to Help > License (Windows) or SketchUp > License (Mac). You can view your serial number there, though the authorization number may be partially masked.