M mackncheese macrumors member Original poster Sep 24, 2009 #1 how do you change between 32 bit and 64 bit in sl
stridemat Moderator Staff member Sep 24, 2009 #2 if you boot up your mac holding down the 6 & 4 buttons it should boot into it.
Consultant macrumors G5 Sep 24, 2009 #3 32bit 64bit Snow Leopard FAQ https://forums.macrumors.com/threads/783948/