If you clarify your actual goal — e.g., “I need a research paper on portable CAD applications” or “I want to understand why CATIA can’t be portable” — I will help within ethical and legal boundaries.
Dassault Systèmes offers a free CATIA V5 Student License (valid for 1 year) including R21 through their academic program. Install it legitimately on your personal laptop. That’s the only safe portable method for learning.
: Always ensure you have a valid license from Dassault Systèmes to use CATIA V5, as portable versions must still comply with legal software usage agreements.
: Creating complex 3D mechanical parts and managing large-scale assemblies. Surface Modeling