Sound the nerd alarms, It is almost that time of the year. #iPhone7 is expected to be announced today. Only thing I want to know will it finally beat the Nokia 3310? :p
This video by pkerry12 will show you how to install windows 7 via bootcamp on you macbook air with just USB flash drive. To install [highlight]Windows 8[/highlight] follow the exact same processes. Just replace Windows 7 ISO to Windows 8 ISO image.
Windows 8 Release Preview ISO images
Windows 7 USB download utility link
rEFIt link for mac