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sergiuria

macrumors 6502a
Original poster
I already searched for this one, and couldn't find anything 🙁

I'm trying to install XP on my Mac, because I have to use programs only available for Windows, and will do it through Bootcamp. It first says that I need to make a backup, and my question, as dumb as it is, is that, how the hell do I make a backup?? 😕😕

Please, forgive my ignorance, and help me
 
I've always used Time Machine. Not that I've had a problem with data loss from installing another operating system.
 
I've tried using an external hard drive, with information on it. And it says I need to erase everything on it, why is this?
 
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