Your website should automatically go live after you have chosen the domain name. It usually takes 30 minutes or so to go live. It could also go live in less time. It all depends. But, if you type in the website name into a web browser the site should appear. If it does appear then the site is considered to be active and live.

Hi - the site problems seem resolved now, if you would like to try again.

Hi - your website is up and running as soon as you build it, but currently, there are issues with the WA platform, so you may not be able to access it. Site Support are aware of the problem.