If you are a student, you can often get the for a very low cost (sometimes as low as $99/year). It includes all the core features needed for learning part design, assembly, and surfacing.

You don't need a crack to learn CATIA. Dassault Systèmes offers several legitimate ways to access the software: 1. CATIA V5 Student Edition

Most "cracks" or "keygens" are flagged as malware. These files can contain Trojans, ransomware, or spyware that steals your personal data or encrypts your files.