I want to create web page and i want to my web page adress is such as www.example. com so how i can bring the www not http?

Answer 1

the URL of any simple online webpage is - http://www.example.com/index.php or index.html

Answer 2

You'll have to understand how the server works, and you definitely need to purchase a domain and hosting plan. There's a file named .htaccess (dot htaccess) that allows you to do this using regex - if you wanted to you could remove www from it or set it to something different. Remember "www" is a subdomain of the parent like: docs.google.com or fonts.google.com
docs and fonts are sub domains, or additional divisions of the main domain Google.com. They contain their own content, but are still Google products. http is the protocol that can also too be removed. Check out these guides:
http://www.htaccess-guide.com
http://bit.ly/2m4czcF

Answer 3

You will need to buy a domain :)