If you have a single-user Classic License, you can authorize your license on up to two devices that are capable of running your version of SketchUp.
Each major version of SketchUp Pro uses a serial number that begins with a specific letter prefix. For SketchUp Pro 2014, the serial number starts with the letter . Here's a breakdown of the prefixes: sketchup pro 2014 serial number and authorization code
Do you still have access to the address? Share public link If you have a single-user Classic License, you