Since the release of , Trimble has transitioned away from the "Classic" perpetual license system in favor of a subscription-based model .
Discontinued for new sales as of November 4, 2020 . The last version sold with this license type was SketchUp 2021 . Since the release of , Trimble has transitioned
In previous versions, such as SketchUp 2020 or earlier, you could "Add Classic License" by manually entering a serial number and authorization code. Since the release of
If you are looking for free access to SketchUp’s tools without violating software agreements or risking malware from "cracked" serial lists, there are several official options: New License Model required - SketchUp Forums such as SketchUp 2020 or earlier