SketchUp offers various licensing options, including:
Open SketchUp, go to Window > Extension Manager , click Install Extension , and select the downloaded .rbz file. Activate License: Navigate to Extensions > SUbD > License in the top menu.
Creating a post about "license keys" for software requires a responsible approach. Distributing, requesting, or using cracked/pirated license keys is illegal and violates the policies of this platform (and the terms of service of the software developers).