Currently Being ModeratedJan 29, 2012 5:12 AM (in response to jasminelep)
You buy Windows yourself, for about $99 and up.
Apple only supplies some drivers and ability to partition and setup native Windows for dual boot.
Alll Macs from 10.4.x and up iwth Intel inside support Windows.
You can run Windows under OS X if you have enough RAM and processor can handle two OSs.