Fixed | Install Catia V5 R21 On Windows 11

are officially supported on Windows 11, R21 can still be installed by following specific manual steps to bypass runtime and environment errors. Dassault Systèmes Pre-Installation Requirements Clean Environment : Uninstall any existing Microsoft Visual C++ 2017 Redistributables

: Once installed, do not launch yet. Configure your DSLS (Dassault Systèmes License Server) or enroll your .LICZ files as instructed by your provider. 3. Post-Install Fixes for Windows 11 install catia v5 r21 on windows 11 fixed