: If you already own a classic license for SketchUp Pro 2020, it remains valid for that specific version indefinitely.
: Launch SketchUp 2020, click Add Classic License , and paste your serial number and authorization code exactly. sketchup pro 2020 classic license key upd
: Introduced better document management and faster performance for 2D drafting from your 3D models. Installation and Activation Moving 2019 License(Serial # and Activation Code) to 2020 : If you already own a classic license
: While the license is perpetual, active "Maintenance & Support" plans (which provided free version updates) can no longer be renewed. This means your 2020 license is locked to that version or any 2020 point-release (like 2020.1 or 2020.2) released during your active support period. SketchUp Community Key Features of the 2020 Version click Add Classic License