If you own a perpetual license for SketchUp 2020, your license key information was sent to the email address used during purchase.
For activation issues with a legitimate license, contact with your purchase details. Sketchup 2020 License Key And Authorization Number
If you have your serial number but lost the code, you can use the SketchUp License Manager to retrieve it by entering your registered email address. Within the Software: If you own a perpetual license for SketchUp
SketchUp, acquired by Trimble Inc. in 2012, underwent significant changes in its licensing architecture leading up to and including the 2020 release. For many years, users were accustomed to a perpetual licensing model managed via a serial number (License Key) and an authorization code. However, the release of SketchUp 2020 marked a consolidation of Trimble’s shift toward identity-based licensing. Understanding the distinction between "License Keys," "Authorization Numbers," and the modern "Sign-In" method is essential for comprehending the current state of software asset management in the CAD industry. Within the Software: SketchUp, acquired by Trimble Inc
: Requires a specific Serial Number and Authorization Number . This version belongs to you indefinitely, but new sales of these licenses ended on November 4, 2020.