Microsoft Windows, or simply Windows, is a metafamily of graphical operating systems developed, marketed, and sold by Microsoft. It consists of several families of operating systems, each of which cater to a certain sector of the computing industry with the OS typically associated with IBM PC compatible architecture.
More informations on https://www.microsoft.com/en-us/windows
These virtual machines expire after 90 days; i.e. you have to re-create them in your project after this time but you don't have to re-import the appliance. Default credentials: IEUser / Passw0rd!
RAM: 1024 MB
You need KVM enable on your machine or in the GNS3 VM.
Documentation for using the appliance is available on https://technet.microsoft.com/en-us/library/cc498727.aspx