SketchUp Pro 2015 utilized a "Classic License" system consisting of a unique Serial Number Authorization Code
: SketchUp 2015 is officially "Unsupported" . Technical support and access to online services like the 3D Warehouse are no longer available for this version. sketchup pro 2015 serial number and authorization code 52
Locate for upgrading your old license. Sketchup pro 2015 compatibility with window 11 SketchUp Pro 2015 utilized a "Classic License" system