You're looking for information on the free version of SketchUp 2017 and how to verify it. Here's what I found:
The Ultimate Guide to SketchUp Make 2017: Still the Best Free 3D Tool? sketchup 2017 free version verified
Yes, for personal non-commercial use. Trimble has stated they will never "brick" Make 2017. It will run even on Windows 12 or macOS 15 (via Rosetta). It does not phone home to check a subscription. You're looking for information on the free version
It was originally built for Windows 7/8 and older Mac OS X versions (10.10–10.12). While it may still run on Windows 10 or 11, it is not optimized for modern hardware. 2. Verified Ways to Acquire it Trimble has stated they will never "brick" Make 2017
Architects report that SketchUp 2017 is actually than 2020, 2021, 2022, 2023, and 2024 on older hardware. Trimble removed telemetry bloat in later versions. On a 2015 laptop, 2017 flies; later versions crawl.
Go to app.sketchup.com → Sign up for free → No credit card required.