Use the SketchUp License Manager to search for your code using the email address and serial number associated with your original purchase.
An authorization code from a different year (like 2015 or 2017) will not work. Each annual version requires its own unique pairing. sketchup 2016 serial number and authorization code
Locating your is a common task for users maintaining "Classic" perpetual licenses in an era of subscription-based software. How to Retrieve Your 2016 License Details Use the SketchUp License Manager to search for
A single-user license allows installation on up to two computers, but only one instance can be used at a time. How to Authorize SketchUp Pro 2016 Single user license 2016 SketchUp pro Locating your is a common task for users
Log into the Trimble Account Management Portal (AMP) to view your historical "Classic" licenses under the "My Products" section. Key Characteristics of 2016 Licenses