Install Catia V5 R21 On Windows 11 !!link!! Review
After installation, you'll need to activate CATIA V5 R21 using a valid license file or by contacting your software provider.
Would you like the for VMware/Hyper-V instead? Install Catia V5 R21 On Windows 11
Run CNEXT.exe as administrator (desktop shortcut may fail – launch from bin folder directly). After installation, you'll need to activate CATIA V5