![]() ![]() While they do have entirely separate versions for 32 and 64, win64 does run 32 bit apps. To see if your Mac’s processor is 32-bit or 64-bit, go to the Apple menu and choose About This Mac. Is a macbook 32 or 64 bit 64 Bit#I'm pretty sure 10.5 didn't support 64 bit GUI apps, that's one of the big improvements in 10.6. If youre only interested in installing new applications under your existing operating system, you can just check if your operating system is 32-bit or 64-bit to determine which version of that application to download and install. Open up the app Activity Monitor, scroll to the right side of the window and you'll see a bunch of stuff showing it's running in 64 bit. However, if a 64-bit computer has a 32-bit operating system installed, it can only run 32-bit software. The OS is running in 64 bit, just not the kernel. (even after I tried holding "4" and "6" while reseting it, it's still 32 bit) Mine is MB White 4.1 in Early 2008 with 4Gig RAM.īut SL runs only 32bits. Kernel (which you don't really need for that machine), the OS itself will run in 64 bit as well as all 64 bit apps. :( this is my configuration: 2. My 2007 MacBook has a Core 2 Duo processor but has a 32 bit EFI. Ive ordered a new Macbook Pro, i7/8GB RAM (hi res/antiglare screen), Im having Windows 7 installed on it, I want make the most of the 8gb of ram so 64-bit version would be first choice, is anyone running the 64bit version without any problems Its been flagged to me there might be compatibility issues. Is a macbook 32 or 64 bit install#OS X Snow Leopard (10.6): 64 bit everything, boots 32 boot kernel on consumer machines.Ĭompare this to M$, who require that you install a completely different OS in order to get 64 bit goodness (thereby losing support for apps that need 32 bit).ĭoesn't the MacBook have to have a 64 bit EFI to run Snow Leopard in 64 bit? The newer MacBooks do have a 64 bit EFI. OS X Leopard (10.5): 32 bit GUI, kernel and extensions, support for 64 bit GUI applications. OS X Tiger (10.4): 32 bit GUI, kernel and extensions, support for 64 bit background processes The progression of OS X into 64 bit is a good example of Apple being careful to support everyone without hassle: Which version is right for you depends on how you plan to use Office. It also buys some time for 3rd party manufacturers to get their drivers up-to-64 bit. Help to decide whether you should install the 32-bit Office version or the 64-bit Office version. There is no problem with this - as desktop/laptop computers are extremely unlikely to require the kernel to address more than 4GB of RAM. The Snow Leopard "kernel" runs in 32 bit mode on most "consumer" Macs, even though it runs nearly all other application/extensions in 64 bit mode.
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