go live
1. To become operational, as of a technological system. The new computer system was supposed to go live today, but IT still has some bugs to work out, apparently.
2. To broadcast live from a scene of action. I sent one of our reporters out there to go live from the scene of the protest.
go ˈlive
(of a computer system) become operational (= ready to be used): Good news! Our website is going live tomorrow!