Install Catia V5 R21 On Windows 11 [ macOS ]

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CATIA opens briefly and immediately closes (crashes).

The "Smart App Control" feature in Windows 11 24H2 and above is blocking CATIA's modified executable.

: Right-click your desktop, open the NVIDIA Control Panel (or AMD Software), go to Manage 3D Settings , select Program Settings , add CATIA, and force it to use the High-Performance NVIDIA Processor instead of auto-selecting integrated graphics. 2. UI Elements, Text, or Icons Look Extremely Small Install Catia V5 R21 On Windows 11

Under the Settings section, check the box for . Click Apply , then click OK . Step 3: Run the CATIA V5 R21 Installation Wizard

When clicking setup, an error appears about VC9 runtime files.

Leave the default server timeout values unchanged. : CATIA opens briefly and immediately closes (crashes)

Required only if you install a local license server.

Check and select Application from the drop-down menu. This prevents the user interface text and toolbars from appearing blurry on high-resolution displays. Graphics Card Control Panel Settings

if your installation comes as multiple ISO files: Step 3: Run the CATIA V5 R21 Installation

Are you using a or a company network license ?

Check the box at the bottom for . Click Apply and then OK . Step 3: Run the Catia V5 R21 Setup Wizard

Choose to create the environment files in the default location.