Windows 7 is fine.So what will it install on? I might have an old banger running Windows 7
W10 have WMP libraries out of the box (if I'm not mistaken) ...So what will it install on? I might have an old banger running Windows 7, but I certainly don't have any XP. Something a bit newer would be nice.
Try install Windows Media Services ...Windows Server 2012 R2.