Once your domain name is registered you must still find an appropriate hosting company to get your web site online. A hosting company such as http://www.infinity.ws, offer many services and features to getting your web site online quickly and easily. Typically you should be spending $10US-$30US or more per month depending on the amount of features you need. Visit http://www.infinity.ws to learn more about the services offered as well as discounts available to WebDesign users. You can even get one year free of web hosting when you purchase WebDesign with http://www.infinity.ws. See below for further details.
Your Internet provider may provide you with a hosting plan. You should check with them to see what they offer.
Once you have a hosting company, you will be provided with login information for your FTP Server from your hosting provider. With the login information that you are provided you can use WebDesign's FTP Client to upload your web pages to your server.