Register a New Domain | WordPress.com Support
https://wordpress.com/support/domains/register-domain/
WEBHow to Register a New Domain. To register a new domain, follow these steps: If you don’t already have an account, visit WordPress.com and sign up. In your site’s dashboard, navigate to Upgrades → Domains (or Hosting → Domains if using WP-Admin). Click the “ Add a domain ” button and choose the “ Search for a domain ” option:
DA: 78 PA: 45 MOZ Rank: 81