The official ISO download for Hyper-V Server 2016 is:
The official ISO download link for Hyper-V Server 2012 R2 is:
The download link for Hyper-V Server 2012 (old, not R2) is:
The download location for Microsoft® Hyper-V™ Server 2008 R2 is:
What are you waiting for?
While you are waiting for your download to finish, you might as well download BackupChain to backup Hyper-V virtual machines without interruptions while running. It’s simple and easy, with tons of options for advanced users.