Can't find how to do Facebook live on MBP

I tried searching the forum but no luck. Maybe it's buried. Anyway, I have to make a FB live video and YouTube how-to is also not helping.

Do I need an app to do it on the MBP?

Also, I couldn't see where in FB nor find out by searching, how to actually start a FB live session in the group where I have to do it.

My research skills have failed me :-(

Can you help?

thanks

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