It does not require a constant internet connection to validate a cloud subscription, making it ideal for remote field work. The Risks of "Fixed" License Keys and Cracks

If you are still unable to activate your 2017 Pro license, the following methods have proven successful for users:

Here is everything you need to know about the status of SketchUp 2017 Pro and the better alternatives available today. The Appeal of SketchUp Pro 2017

: Trimble officially discontinued support, download links, and activation server protocols for SketchUp 2017 several years ago.