How to open Hyper-V function in win8?

Microsoft's Hyper-V functionality was originally only available to Windows Server users, allowing end users to run multiple operating systems on a single PC, including 32-bit and 64-bit versions. The basic principle is that Hyper-V allows users to create a virtual machine on a Windows 8 computer and then install and run multiple systems. Microsoft recommends that Hyper-V run at least 4GB of memory.
1. Log in to the Windows 8 Metro interface, click on the desktop icon in the lower left corner, as shown below:

2. After entering the desktop, use the “Windows + X” option to bring up the following interface. Select: Program And function, as shown below:

3, open the program and function interface, click the upper left corner: enable or disable the Windows function, as shown below:

4, open the interface, check Hyper- V check box (Hyper-V sub-option will be selected by default), as shown below:

5. After clicking OK, the Windows function application change will last for about a few minutes, as shown below:

6. Windows function completes the change settings, as shown below:

7. After the Hyper-V function setting is enabled, you can see the Hyper-V Manager and Hyper-V VM through the Windows key. Connection, as shown below: