I do know this to be a stable environment though. Different settings could certainly work, depending on your situation. Secondly, remember that these aren’t the only settings that will work they are the ones that worked on my Intel Core 2 Quad/P45 desktop. You probably need to enable virtualization. Two quick notes: If you see a weird blinking error message saying something about “0xFFFFFFE6” before Windows 8 starts to install, check step 2. At this point it’s just like installing any other version of Windows. Run the virtual machine and follow the standard Windows installation instructions.If you are using IDE make sure to move over to the ICH6 IDE controller. Also make sure to mount your Windows 8 Developer Preview. Under Storage go to your virtual hard drive (.vdi) under the SATA controller.

Display > Video move the video memory to 128MB (the max) and then enable both 3D and 2D acceleration.System > Acceleration enable VT-x/AMD-V and Nested Paging.Also make sure the memory is at a reasonable amount, say 1500MB or more. Within System > Motherboard enable IO APIC.With the virtual OS created, go into Settings.If you have an SSD you’ll want this file to live there to speed things up and better match the dev hardware’s performance. It’ll take a few minutes to create the disk. You’ll need at least 20GB to get the job done. During the initial installation process choose to create a virtual disk.In VirtualBox create a new virtual machine, choose Windows / Windows 7 as the type.(Note, if you can’t find it look in the security settings.) Go into your computer’s BIOS and make sure virtualization is enabled.

Windows 8.1 iso for virtualbox