Even if you are logged into an administrator account, you must right-click the SketchUp icon and select to ensure the authorization process has proper system access.
The "license key and authorization code" you're searching for is specific to what is known as a "Classic License." This was the old perpetual licensing model. sketchup 2016 license key and authorization code
The most common error is trying to use a newer license (e.g., 2017 or later) on SketchUp 2016. A 2016 license key only works with the 2016 software. Even if you are logged into an administrator
If you legally own a Classic License for SketchUp 2016, your activation information would have been sent to you via email from sketchupmail@sketchup.com upon purchase. A 2016 license key only works with the 2016 software
If you possess a legitimate SketchUp 2016 serial number and authorization code, you can manually input them into your installed software. Activation Process: Open SketchUp Pro 2016 on your computer.
Despite following the correct steps, many users encounter activation issues with SketchUp 2016. This section addresses the most frequent problems and their solutions.
SketchUp 2016 is built for Intel processors and cannot run natively on Apple Silicon (M1/M2/M3 chips) via Rosetta 2 due to legacy OpenGL dependencies. The Loss of Web Services