These webcasts will go live around 20 minutes before the launch; the countdown that you see prior to the webcast appearing is the launch time, not the start of the webcast.

Hosted webcast: https://www.youtube.com/watch?v=lZmqbL-hz7U (lots of talk)

Technical webcast https://www.youtube.com/watch?v=zl8mi7laQGk (minimal talk)

Static test fire from 4 days ago https://www.youtube.com/watch?v=qaucbI3rvQA

This is a launch of a relatively heavy communications satellite to GTO. As a result there will be no attempt to recover the booster stage. Perhaps the last intentionally expendable SpaceX launch?