Well, if you're only looking forward to play around with a Windows based server in order to learn and understand how to manage it, It'd be a better option to consider a
Windows VPS rather than choosing a
Windows dedicated server for now. A Windows VPS will give you an idea as to how you can manage a Windows server and as a VPS is almost like a dedicated server with less resources and some restrictions (there are some in comparison to a dedicated server

), it'd be the best solution for you as for now
Please feel free to post if you have any further questions.