If you still want to use the SketchUp Pro 2020 2003730 top crack, here's a step-by-step guide to get you started:
If you're looking for alternatives to using a top crack with SketchUp Pro 2020 2003730, consider: sketchup pro 2020 2003730 top crack
If you're looking for a free trial or a student/educational version, Trimble (the developer of SketchUp) offers these options on their official website. If you still want to use the SketchUp