Trimble offers a free trial of SketchUp Pro. This allows you to explore the full features of SketchUp Pro for a limited period, which can be a good option if you're considering purchasing.
For casual users or those on a tight budget, SketchUp offers a free version of SketchUp, accessible through the web. While it has limitations compared to SketchUp Pro, it's a powerful tool for basic 3D modeling needs. Trimble offers a free trial of SketchUp Pro
Students and educators might be eligible for discounted or free educational licenses through Trimble's educational program or through their institution. Trimble offers a free trial of SketchUp Pro