Serial Number And Authorization Code Sketchup Pro 2017 — Free

A serial number is a unique identifier assigned to a software product, in this case, SketchUp Pro 2017. It's used to activate and validate the software, ensuring that it's genuine and not pirated. An authorization code, on the other hand, is a code generated by the software vendor (Trimble in this case) to unlock the full features of SketchUp Pro 2017.