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yes, you can set up your macbook to dual boot using "Bootcamp", please read the manual for more info. it's very straight forward.
 
Can I install windows xp on mac book :(

Apple's got a great set of FAQ's on their web page, including running Windows. As others have stated, yes you can run Windows. There are two different ways you can do this. Using Apple's "Bootcamp" software, or virtualization such as Parallels, VMware, and VirtualBox.
 
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