1. First you have to register one domain form this company where you want to puchase your dedicated server.
2. Now choose your product to full fill your requirement and give the best response for yous site.
3. I will suggest you if you want to purchase dedicated server then you first watch godaddy.com. this is the world famous site for server selling and give the best support to our customers.
4. If your purchase your server from godaddy then your can pay your payment via net banking , mobile payment , master card and credit card he gives all facility.
5. Now you complete your payment and login your accout then setup your dedicated server.