windows on macbook air...help!

Basically I'm looking to use bootcamp to install windows on my new macbook air, to use software required for my uni course, I have looked at the different options and the cheapest way I can see to do it is to use windows vista, this version seems the cheapest...

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And was just wandering if this would work, as when I open up bootcamp assistant it says I need windows 7...

I'm a complete novice at stuff like this so any help and advice would be brilliant

and I am a student so cost is always an issue haha

Which MacBook Air do you have? Macs produced from late 2010 on through 2012 can only run Windows 7 from a dual boot using the Boot Camp assistant. However, you can run Vista in a virtual machine using virtual software. (Parallels, Fusion, and the free VirtualBox)

Will a Dell branded disk install through BootCamp and activation go ok - I don't know - but I wouldn't take the chance with my money and on Vista when you can get a Win 7 OEM for £70 at Amazon.

I've got the current 13inch 128gb macbook air, so I'd only be able to use windows 7? or vista with additional software? I'll have a look at the windows 7 oem see if I can stretch my meagre budget haha