Pretty much the same as on any device. Start the application, or select a contact in Contacts and select teh Facetime option if it is available for that contact.
This thread has been closed by the system or the community team.
You may vote for any posts you find helpful, or search the Community for additional answers.
how to FaceTime on my MacBook pro
Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.