Install Catia V5 R21 On Windows 11 Better May 2026

Check and click Apply . 3. Execute the Installation Double-click setup.exe to begin.

A minimum of 2.0 GB of disk space and a recommended 512 MB+ of RAM . Install Catia V5 R21 On Windows 11

Officially, Dassault Systèmes supports V5 releases starting from on Windows 11. Older versions like R21 are not officially certified for Windows 11 but can still function through compatibility layers. OS: Windows 11 64-bit (Ensure it is fully updated). Check and click Apply