If you already own a valid license for SketchUp Pro 2015, you may be able to retrieve your code from Trimble’s License Manager or by contacting their support team.
A secondary numeric or alphanumeric key that paired strictly with the serial number to validate the software against Trimble's activation servers. sketchup pro 2015 serial number and authorization code 52
In 2015, SketchUp Pro utilized a two-part authentication system to unlock the full commercial suite of the software: If you already own a valid license for
Upon opening the software, a welcome screen will appear asking for a license. If not, go to Help > License (Windows) or SketchUp > License (Mac). sketchup pro 2015 serial number and authorization code 52