SketchUp Make 2017 is the last free desktop version of SketchUp offered by Trimble before they moved to a subscription-only model. It’s ideal for personal, hobbyist, and non-commercial use.
This is often considered the safest method to retrieve the original installer directly from past snapshots of the SketchUp website Windows x64 Installer (English) Mac OS Installer (English) SketchUp Community Forums: download sketchup make 2017