by entering the email address associated with your purchase. Within the Software: If the software is already active on another machine, go to Help > License (Windows) or SketchUp > License (Mac) to view the serial number. Subscription vs. Classic License It is important to distinguish between these two models:
In the "Welcome to SketchUp" window, click . sketchup pro 2020 license key and authorization number
: A single-user Classic license allows you to authorize the software on up to two computers by entering the email address associated with your purchase