Today I will show you a important things is, what is 32 bit and 64 bit. When you go to buy a computer or you want to set processor for the desktop computer, you can see the top of processor box is written on 64 bit or 32 bit. Now even though 32 bit desktop processors are not available. Everyone now uses 64-bit processors. So What exactly is this 32 bit or 64 bit processor? That is what I will tell you in details in this tutorial.