10.
Then let it take its course and when its done you should be at the rEFIt menu with three bootable OSes on your Macbook Pro! Congrats!
Conclusion:
A good idea would be to install “inputremapper” on your windows side as it adds many functionality features that are critical on the macbook pro. Like right clicking for example….
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Finally, in theory you could put as many OSes on a single drive as you want, as long as you perserve the MBR of Windows and make sure its the last partition on your disk drive. Hope you learned from my tutorial. Feel free to leave me a question or comment.
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I tend not to brag, but in the interest of bragging for bragging sake.. I only use one OS. Security Enhanced Linux – as endorsed by the NSA (theres an old saying “whats good for the goose..”).