Windows 11 scales UI elements poorly for legacy applications on 4K or 2K screens. Ensure the High DPI scaling override mentioned in Step 3 is set to System (Enhanced) .
Are you installing from an or an ISO file ?
Choose the directory where you want to install CATIA (by default, this will be C:\Program Files\Dassault Systemes\B21 ). Click Next .
:
Leave the default values as they are and proceed.
Provide a troubleshooting guide for specific that commonly appear during older CAD software installations.
Toggle to Off until the installation is complete. B. Extract the Installation Media
You need two things:
: Locate Setup.exe in the extracted folder, right-click, and select "Run as Administrator" .
: Unzip all installation packages into a single folder to ensure the installer can find all components. Run Setup as Administrator : Navigate to the ) folder, right-click , and select Run as Administrator Choose Components
Set the value to match your server's details: SERVERNAME:PORT (e.g., LicenseServer01:4080 ). Step 4: Post-Install Tweaks for Windows 11 Stability
Once completed, uncheck the box that says "Launch CATIA V5 R21 now" and click . Step 3: Setting Up Post-Installation Compatibility



