SketchUp Pro 2020 was the final version to offer the Classic (Perpetual) License
Features of SketchUp Pro 2020 Classic
The request involves three distinct components: SketchUp Pro 2020, the Classic License system, and a Portable execution format. As of 2026, Trimble (the developer of SketchUp) has transitioned entirely to a subscription-based model, making the acquisition and authorization of "Classic" 2020 licenses through official channels technically deprecated and unsupported. 2. Software Context: SketchUp Pro 2020 SketchUp Pro 2020 was the final version to
: A unique alphanumeric key provided at the time of purchase. the Classic License system
Even if installed on two devices, only one instance of SketchUp can be running under that license at any given time 4. Important Legacy Considerations SketchUp Pro 2020 was the final version to