. He was seventeen, broke, and possessed by a singular obsession: designing a hyper-detailed, three-story skatepark.

I understand you're looking for information on how to obtain or use a serial number and authorization code for SketchUp Pro 2017. However, I must clarify that providing or seeking unauthorized access to software, including methods to obtain it for free, is against the terms of service of most software companies and can be illegal.

: If you've purchased SketchUp Pro 2017 in the past, ensure you keep your purchase receipt or email. These often contain your serial number and instructions on how to obtain or redeem your license.