. You will typically need the email address used for the purchase and your serial number. How to Apply the License
In 2020, Trimble officially stopped selling new classic licenses. The software transitioned to a "SketchUp Pro Subscription" model. sketchup pro classic license key
If the software is already installed on another computer, go to Help > License (Windows) or SketchUp > License find your serial number License Manager: You can also use the online License Manager Tool to retrieve your information. 2. How to Authorize a Classic License sketchup pro classic license key