That motherboard isn't compatible with that processor.
Try this one for a comparable price:MSI FM2-A55M-E33 Socket FM2 Motherboard
- MicroATX, Socket FM2, AMD A55, DDR3 1866 MHz, 8-CH Audio, Gigabit LAN, USB 2.0, PCIe, DirectX 11http://www.tigerdirect.ca/applications/SearchTools/item-details.asp?EdpNo=4953871&CatId=7703
Price: $57.99 (before rebate / after $47.99)
When your matching up processors and motherboards it's the Socket you need to look at. In the case of the processor you choose it's (Socket FM2). That's a brand new type of socket just released in September of this year.
Don't worry about Win8 Compatibility. It will be compatible with anything you buy.