To authorize a legitimate 2020 Classic license, you typically follow these steps through the SketchUp Help Center Open SketchUp 2020 : Navigate to the "Welcome to SketchUp" window. Add License : Click on the Add Classic License Enter Credentials : Input the Serial Number Authorization Code provided in your original purchase email from sketchupmail@sketchup.com Troubleshooting
Unlike modern Trimble IDs that use email sign-ins, Classic licenses validate directly against SketchUp's activation servers. How to Find Your 2020 License Key and Authorization Number To authorize a legitimate 2020 Classic license, you
Follow these steps to activate your classic license on a desktop machine: Authorization Steps To activate your 2020 version using
Click Help in the top menu bar, then select Welcome to SketchUp > Licensing . To authorize a legitimate 2020 Classic license, you
. You will need the email address used for the purchase and your serial number. Locating Serial Number in Software : If SketchUp is already installed on a machine, go to Help > License (Windows) or SketchUp > License (Mac) to view the serial number currently in use. Authorization Steps To activate your 2020 version using these credentials: Open SketchUp Pro 2020 and click Add Classic License on the Welcome screen. Select the tab in the License window and click Add License Enter your Serial Number Authorization Code (License Key) exactly as provided. Add License to complete activation. Critical Support Information Understanding Your Classic License - SketchUp Help center