Programs like NanoCAD offer a free tier that is sufficient for many basic 2D design tasks.
Tools like FreeCAD or LibreCAD are completely free, legal, and safe from malware.
For businesses, using cracked software can lead to massive fines during software audits. Furthermore, work produced on pirated software may carry digital "fingerprints" that identify it as illegitimate.
The official developer often provides a 30-day fully functional trial.
A program designed to generate valid-looking serial numbers.