Custom Domain Help

Hey ladies!

I'm in dire need of some blogger assistance.

Google decided to update the custom domain process & I can't figure it out for the life of me.

Any suggestions on where I can purchase my custom domain?

I'd really prefer buying it through Blogger but I can't seem to find how to do that.

When I go to Settings, it allows me to update my blog URL. 

However, it no longer states to purchase your own custom domain.

After you click settings instructions, it takes you here:

is this another language to anyone else but me?

This would happen the moment that I need to update it, typical.

Any help is much appreciated. 

I'm losing my mind!