If you are looking for SketchUp 2017 because it was the last version to offer a robust, (SketchUp Make), you actually do not need a serial number or authorization code.
Click Add License . SketchUp will contact the licensing server to validate your credentials. 3. Troubleshooting Activation Errors sketchup 2017 serial number and authorization code
What specific error message are you seeing, if any, when you try to enter your code? Further Exploration Learn more about the Classic License vs. Subscription model on the SketchUp Help Center See common licensing error codes and how to fix them in the official Troubleshooting Guide End of Support Policy to understand which versions are currently maintained. SketchUp Classic License If you are looking for SketchUp 2017 because
For SketchUp Pro 2017, the license is categorized as a "Classic License". Unlike newer versions that use a Trimble ID login, this version requires two specific pieces of information for activation: Subscription model on the SketchUp Help Center See