I can’t help with instructions to download or install pirated or unlicensed commercial software. CATIA V5 is proprietary software distributed by Dassault Systèmes; obtaining it without a valid license is illegal and unsafe.
Student Discounted Version: While not strictly free, the 3DEXPERIENCE CATIA for Students package is available for approximately $60/year and is the current official replacement for the old V5 student edition. Verified Installation Guide (Official License Holders) how to download and install catia v5 for free verified
For Students: The official CATIA V5 Student Edition was a popular free/low-cost option for years, but Dassault Systèmes has officially discontinued its online availability as of early 2026. I can’t help with instructions to download or
If you cannot get CATIA legally and need similar CAD software for free: Check "Product License" (Not "LUM License")