Websites can only be accessed through the domain name address. For example, the Internet-Website-info address at http://www.infonet-web.com Website so that you create can be accessed, then You must have a domain name. Domain names can you acquired by way of pay or free.
Paid Domain
Paid for the domain, you must register and pay the rent domain name per year. Cost is currently approximately $ .10-12/year. To get it you can register through the Web sites Domain registration services. Composition of the address you will have such mydomain.com or my-domain.com, with the use of alphabetic characters, numeric 0-9 and sign-separator.
In general there are 2 main domain types that people use, the gTLD and ccTLD. Each can you know the endings in the composition of domain names.
Let's say your site is mysite.com. You install the forum and put them in a directory accessible via http://www.mysite.com/forum/
You can direct the forum directory to a sub-domain by adding sub-domain on your hosting Control Panel.
After that, you can access the forum via http://www.mysite.com/forum/ or http://www.forum.mysite.com
Features sub-domains depending on the hosting and the selected packages on your hosting, there are already available, there is also a need to choose a more expensive package. But usually not there on the hosting package with a capacity of 1 MB