Clicking on "Check Availability" will open a popup window,
if you dont see any then you need to select "Allow Popup" from your toolbar
* Just enter the Domain Name without the extension and select extension from drop down box.
* Use only letters, numbers, or hyphen ("-"). Cannot begin or end with a hyphen.
* A domain name can be up to 63 characters long excluding the 4 characters used to identify the Top Level Domain (.COM, .NET or .ORG)