There are 4 basic steps to setting a website on the internet

Step 1: Register a domain name...
A domain name is your website name (also known as URL).

Step 2: Obtain webhosting
Your website needs a place to stay, so you will need to obtain
webhosting on a server for your website to reside on. This is the place
where all your content, text, pictures, graphics are placed (published to) in order for
surfers to view your site on the net.

Step 3: Create/Design your web site
You have to create a design, text, graphics and so on for the look of your website.
There are many tools you may choose to use in which to accomplish this task, including
hiring a professional webmaster or webdesigner.

Step 4: Publish or upload your website to the internet
After you have designed your website and it appears as you want it, then you will need
to publish your work, or your webmaster's work, to the webhosting server space you have obtained.
Once you do this, your website will appear to all on the internet, and you will be able to reach your
website on the internet.

Click "here" for step by step instructions for each of the short descriptions noted above.