hello today I show you how to install Catia v5 r21 in this video
https://www.youtube.com/watch?v=GlHimds9DtU&list=PLI1g-AV8myPAWzXcEXlFSs4LXaXTcufbG&index=3
https://www.youtube.com/watch?v=GlHimds9DtU&list=PLI1g-AV8myPAWzXcEXlFSs4LXaXTcufbG&index=3