: Click on Add License at the bottom of the window. If the dialog doesn't appear, go to Help > License from the top menu.
To obtain a license key and authorization number for SketchUp Pro 2020 Classic, users can: : Click on Add License at the bottom of the window
: A code that validates your serial number to activate the software. How to Authorize SketchUp Pro 2020 : Click on Add License at the bottom of the window
