: Don’t forget to re-enable your security software after successful installation and add CATIA’s installation folder to your antivirus exclusions list.
Windows 11 utilizes high-DPI scaling which scales down legacy software poorly. Right-click your CATIA desktop shortcut →right arrow Properties →right arrow Compatibility →right arrow install+catia+v5+r21+on+windows+11+updated
By using standard administrative privileges and built-in Windows compatibility tools, you can successfully run CATIA V5 R21 on Microsoft’s latest operating system. System Requirements & Prerequisites : Don’t forget to re-enable your security software
: Double-clicking setup.exe does nothing, or you receive a Visual C++ runtime error. install+catia+v5+r21+on+windows+11+updated