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Ben JakubenTreehouse Teacher
I think the current minimum OS is 10.7 (Lion), which is needed to get the Mac App Store, which you need to get Xcode. It sounds like that's as far back as you can go, though if anyone is still using 10.6 then maybe they can post in here.
James Barnett39,199 Points
You might need an apple developer's account, check out this answer over on StackOverflow
Paul Dunahoo5,390 Points
It's possible, but it's dumb.
Amit BijlaniTreehouse Guest Teacher
@Frederico You can get away with developing on Snow Leopard or Lion. Personally, I still use Lion.