Go to the Apple Menu and select “About this Mac”. If you have a Core Duo processor, you have a 32-bit CPU.
Otherwise (Core 2 Duo, Xeon, i3, i5, i7, anything else), you have a 64-bit CPU.
Go to the Apple Menu and select “About this Mac”. If you have a Core Duo processor, you have a 32-bit CPU.
Otherwise (Core 2 Duo, Xeon, i3, i5, i7, anything else), you have a 64-bit CPU.