Log in to the Trimble Account Management Portal to view your plan details and assigned products. Updating Licence for 2019 - Pro - SketchUp Community
This method does not use a serial number or authorization code. Instead, you activate the software by signing in with your Trimble ID (the email address used for purchase). How to Find Your Official Serial Number and Code
: If SketchUp 2019 is already installed and active on a computer, you can find the serial number by going to Help > License > License info (Windows) or SketchUp > License > License info (Mac).