Your server comes as a trial install.You must provide your own license. We do not provide the license/s.
Please keep in mind the minimum specs for Windows 2008/2012 Server and ensure your current plan meets requirements. http://technet.microsoft.com/en-gb/windowsserver/bb414778.aspx
There are special drivers that need to be mounted to install/use Windows if you need assistance please file a support ticket and we can mount them for your VPS.
