You can't install mac on pc as they don't allow, you can only install pc on mac. You can't download mac version 10.6 you can only buy the disk. The disk contains version 10.6.5, you can have updates often to update your mac version from 10.6.5 to 10.6.6. I recommend you to buy the new version of mac, mac osx lion 10.7. That is the latest version and is faster and have more features. It cost very cheap when you buy the disk only. I agree with tje210, follow his advice, no point just posting what he has already post. Hopes this answer your questions any more questions. I am ready to help.
jingda
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