How can you make your own webadress in HTML to your website?
Can you clarify what you are asking. What do you mean by a web address?
I mean how can you get a domain name to your webadress.
You will need to get a domain name registered, Namecheap is a good registrar with low costs, you will also need web hosting, Digitalocean has low cost web hosting (starting at like $5/month).
Can try this http://www.freenom.com for free domain name.
And Web Hosting Collection for free hosting.