32-bit or 64-bit – that is the question.

 
By popular demand, here’s the easiest way to tell if your Mac has a 32-bit or a 64-bit processor:

Step 1: Click on the Apple icon in the upper-left menu bar of your screen

Step 2:Click on “More Info”

Step 3:Under the “Hardware” section, locate the “Processor Name”

Step 4: Find your Processor on this chart to determine whether your Mac has a 32-bit or 64-bit processor.

Yay! We got a winner! Easy, right?