Install Catia V5 R21 On Windows 11 |link|

Go to the tab and click Change high DPI settings . Check Override high DPI scaling behavior . Set the drop-down menu to System (Enhanced) or Application . Graphics Card Control Panel Tweaks

: 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

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Before starting, ensure your system meets the hardware demands of CAD software and has the necessary legacy software frameworks. Hardware Check Install Catia V5 R21 On Windows 11

How to Install CATIA V5 R21 on Windows 11: A Step-by-Step Compatibility Guide

Wait for the progress bar to finish. This process can take anywhere from 10 to 30 minutes depending on your hardware hardware configuration.

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This is a normal message indicating Windows is scaling the UI. License not selected

Windows 11 64-bit (Note: Version 24H2 has reported stability issues; 23H2 is preferred). Permissions: You must use a local Administrator Security Settings: Temporarily disable Windows Defender

using command line if the GUI doesn't respond: Go to the tab and click Change high DPI settings

Are you setting up a or connecting to a network license server ? What graphics card (GPU) does your Windows 11 machine use?

Solution: You skipped Step 2. Ensure the installer executable is explicitly set to Windows 7 compatibility mode.