There are ton of domain registrars available from the internet, but the one that i suggest is Godaddy. Because they provide good customer service, user friendly control panel, and the best of all, the price is competitive. Usually you can obtain up to 25% discount by using the promo code. Follow the steps below to sign up for the domain.
Click on the godaddy discount code below.
25% on domain purchase!
You will be redirected to the godaddy homepage.
Enter the domain name in the search box to check for availability. (Please register a free account if this is your first time login)
Follow the steps listed by choosing the year of registration, server address, payment information and etc.