To recap, the current free version of SketchUp is called SketchUp Free, which is a web-based version of SketchUp that runs right in your browser. 😥 You’ll learn more about the differences between all the various SketchUp products below. Most notably, you can only use extensions on the desktop versions of SketchUp. There are several differences between the desktop and browser versions of SketchUp. To replace SketchUp Make, Trimble launched an entirely web-based SketchUp platform on which you’ll find SketchUp Free.
Although Trimble has retired development of the free desktop version, called SketchUp Make, you can still download the last version of SketchUp Make 2017 here. While there are paid versions of SketchUp, there is also still a free version of SketchUp.