Login into your domain registrar, and insert your server DNS in the appropriate place. I am using GVO, and you can find your DNS settings (nameserver1, nameserve2) when you click “STEP 2” link at the top-left menu in your home page.
Watch the following video to learn how exactly to change the DNS in Namecheap domain registrar:
Next step: Open Domain Account
Other Lessons in the WordPress Guide:
1. WordPress Guide – Domain
2. WordPress Guide – Hosting
3. WordPress Guide – Change DNS
4. WordPress Guide – Open Domain Account
5. WordPress Guide – Install WordPress
6. WordPress Guide – Posts & Pages
7. WordPress Guide – Design Theme
8. WordPress Guide – Plugins
9. WordPress Guide – Web Form
Main Page: WordPress Guide Step by Step Tutorial