This is (not so) quick step-by-step guide how to install System Center Virtual Machine Manager 2012 R2. I assumed that you have an account on MS Technet to download evaluation software, you know how to install Windows Server 2012 or Hyper-V and you have lab environment to run few Virtual Machines.
This time you will learn how to set up virtual ESXi 5.5 (vESXi) inside physical ESXi 5.5 (pESXi). First 4 points are repeated from post about nested hyper-v, so if you have already done it, you can skip to point 5:
Previously I set up nested Hyper-V environment on ESXi 5.5. Now I will show you how to setup Hyper-V itself to prevent it from causing purple screen of death on ESXi when live migrating vms. I assume you have Hyper-V joined to your domain and followed my previous post about installing nested hyper-v.