Install Catia V5 R21 On Windows 11 -

: Proceed through the remaining steps without changing default ports unless required by your network. Hawk Ridge Systems 3. Compatibility & Post-Install Fixes

The installation files may sometimes be flagged by Windows Defender or third-party antivirus software due to licensing and system registry modifications. Open . Go to Virus & threat protection .

Locate the folder named (for 32-bit compatibility layers) or B21 / WIN64 (for the native 64-bit installer). Open the 64-bit folder ( WIN64 ). Find the Setup.exe file. Step 2: Configure Compatibility Settings Install Catia V5 R21 On Windows 11

Check the box at the bottom for . Click Apply and then OK . 2. Run the Installation Wizard

Windows 11 handles graphics scaling and multi-threading differently than older operating systems, which can cause visual glitching in Catia. Fix Text and UI Scaling Issues : Proceed through the remaining steps without changing

Double-click Setup.exe . Click if the User Account Control (UAC) prompt appears.

Installing CATIA V5 R21 on Windows 11 is not officially supported but is achievable with careful preparation. The critical success factors are: Open the 64-bit folder ( WIN64 )

Choose your installation folder (the default path is typically C:\Program Files\Dassault Systemes\B21 ).