Support for a 64-bit address space-that is, support for concurrent use What Is 64-Bit Computing?įor the purposes of this document, 64-bit computing is defined as You can have 32 bit code run on a 64 bit CPU.Ī nice overview of this subject is at Apple's 64-bit Transition Guide Keep in mind, this transition was started before Tiger was released on Apand is effectively complete. From OSX Terminal.As you may have seen from all the answers - macs are different than other Operating Systems (OS) in that the 32 bit and 64 bit dividing line is all blurry. * drivers that support Windows 7, 32 and 64 bitĢ. iMac (21.5-inch & 27-inch, Late 2009) *Īll these drivers support Windows 7, 32 bit.MacBook Pro (13-inch and 15-inch, Mid 2009) *.MacBook Pro (15-inch & 17-inch, Core 2 Duo).From Boot Camp Support Software (these can be directly downloaded to the Windows side, once Windows is installed). Would the drivers be built-in to Boot Camp 4.0?ġ. Where do I get the 64-bit Apple drivers for Windows 7? I keep reading about pulling them from the Snow Leopard install DVD, which I have, but I am currently running OS X Lion on the machine, which I do not have a disc for (only received a download code from Apple). How would I delete the current Windows Vista installation? Will the 64-bit version of Windows 7 definitely work on this machine? I have found through my research that even though the 64-bit version of Windows 7 is 'not supported' for this machine, it will still work with the right drivers and will require Boot Camp 4.0

I want to completely delete the existing Windows Vista install and put Windows 7 in its place. I had installed a Boot Camp for Windows Vista 32-bit that is still working, but I have a Windows 7 64-bit installation disc that I would like to use on this machine. My wife has an early 2008 Macbook with 2.4 GHz processor that I recently upgraded the OS to OS X 10.7.5 and upped the ram to 4 GB.

2008 macbook 32 or 64 bit