: Using unauthorized software violates Trimble's terms of service and can lead to legal issues for professional firms. Managing Your License
Unlike older "Classic" versions, SketchUp 2023 does not use a serial number or authorization code for standard professional use. Sketchup Pro 2023 License Key
License Classic vs Pro - Technical Problems - SketchUp Forums : Using unauthorized software violates Trimble's terms of
You enter your Trimble ID (email) and password. Once authenticated, the browser confirms the connection, and SketchUp Pro automatically activates on your desktop. Management: If you need to manage who is using the seat, you use the SketchUp Account Management Portal to assign or revoke the license from specific users. 3. Classic Licenses (The "Old Way") Once authenticated, the browser confirms the connection, and
: If you encounter errors with an older serial number, ensure the software version matches the license year, as keys are version-specific.