: Trimble typically offers a 30-day free trial of the latest SketchUp Pro version, giving you full access to desktop features like LayOut and Style Builder.
: This is the current free, browser-based version for personal use. It doesn't require a download and includes basic 3D modeling tools and 10GB of cloud storage. ​SketchUp Pro 2018 Free Download​
: This was the last official free desktop version. While Trimble has removed it from their main download pages, some users still use it for non-commercial hobby projects. Key Features of SketchUp Pro 2018 : Trimble typically offers a 30-day free trial
If you are looking for a free version of SketchUp, there is no legal way to get a permanent Pro license for free. However, there are legitimate ways to use SketchUp at no cost or explore newer alternatives. Legal Alternatives to "SketchUp Pro 2018 Free Download" : This was the last official free desktop version