How we configure to our website in wordpress? Just i purchased new domain for my new website. But i don't know how we can install to wordpress cms on website. So please guide me!

Also want to ask i want to using standard theme on website so can we change in standard theme? Becasue i am not familler with wordpress.

Also confirm me what is the difference b/w wordpress.org and wordpress.com?

Using the post Priaeas posted is a start. Sometimes your webhost will have the installation packet too.