How do I install Windows Virtualization Role on Windows 2008?

Steps to Install Hyper-V Role on Windows server 2008.

1. First you need to Click on Start -> All Programs- > Administrative Tools -> Server Manager
2. After you have Server Manager open you need to click on Roles on the left pane
3. Then you need to click on the Add Roles at the top right of the screen
4. After you have clicked on the Add Roles button then the Add Roles Wizard should come up
5. Click on the Next button
6. Select Windows Server Virtualization
7. Click on Next
8. Click on Next
9. Select the Network card that you want to use for the Virtual machines and then click Next
10. Click on Install
11. Click on Close and then Reboot the server

Here you Go :) good luck.