Como instalar o "Windows Developer Preview 8" no VirtualBox

TUTORIAL:

1. If you have not already, then you will need to click on the link below to download either the 32-bitor 64-bit Windows 8 Developer Preview ISO file version you want and save it to your desktop (ex: Windows 7 or Vista).

2. Download and install the latest version of VirtualBox (Windows hosts), download and install theVM VirtualBox Extension Pack (All platforms), then run VirtualBox. (see screenshot below)

3. In the left side of the toolbar, click on the New button. (see screenshot below)

4. Click on Next. (see screenshot below)

5. Type in a name (ex: Windows 8 Developer Preview) for the virtual machine, select Windows 7 if have a 32-bit ISO (step 1) or Windows 7 (64-bit) if you have a 64-bit ISO, then click on Next. (see screenshots below)

6. Select or type in how much of your computer's RAM (1024MB = 1GB) you would like for the virtual machine to use when it's running, then click on Next. (see screenshot below)

7. Click on Next. (see screenshot below)

8. Select (dot) VHD, and click on Next. (see screenshot below)

9. Select (dot) Dynamically allocated, and click on Next. (see screenshot below)

10. Select how large you would like the VHD file to be, and click on Next. (see screenshot below)
NOTE: The default size is 20 GB, and is fine if you are not going to be installing a lot on the virtual machine.

11. Click on Create. (see screenshot below)

12. Click on Create. (see screenshot below)

13. In the left pane, double click on the new virtual machine (ex: Windows 8 Developer Preview). (see screenshot below)

14. Click on Next. (see screenshot below)

15. Click on the browse folder icon, select the downloaded ISO from step 1, click on Open, and click on Next. (see screenshots below)

16. Click on Start. (see screenshot below)

17. Now all you have to do, is finish installing Windows 8 Developer Preview. (see screenshot below)

Windows (32-bit/64-bit)