There may be a number of reasons why a license can't be upgraded. Here are some common issues:
- The license has already been upgraded. To retrieve the upgraded license, click here.
- The upgrade information is incomplete or inaccurate. Ensure that you provide the exact license information that you received with your purchase email. If you no longer have this license information, click here.
- The license is current, and a new version of SketchUp Pro isn't available.