In summary, while you cannot "buy" a new license for SketchUp 2017, those who own a classic license can still authorize it, and those using the "Make" version can continue to do so—provided their computer hardware still supports it.
If you purchased SketchUp Pro 2017 in the past, locate your original email from Trimble or an authorized reseller (e.g., Elumion, 3D Basecamp). The email contains a and Product Key . license sketchup 2017
Here's some content about licensing for SketchUp 2017: In summary, while you cannot "buy" a new
: SketchUp Make does not require a paid license key for personal use. Trial Period follow these steps:
To obtain a SketchUp 2017 license, follow these steps: