How To Determine if Your Computer Is 32-Bit or 64-Bit

Here there are two ways to find our system is 64/32 bit

FIRST METHOD IS:-
Open System by clicking the Start button, clicking Control Panel, clicking System and Maintenance, and then clicking System
Under System, you can view the system type.

SECOND METHOD IS:-
Open the Start menu, and click on Programs -> Accessories -> System Tools -> System Information.
On the right hand side of the window you will see a list of items. Look for the item called "System Type".

The value of this item will tell you whether your computer is 32-bit or 64-bit:

x86-based PC: It’s a 32-bit computer.
x64-based PC: It’s a 64-bit computer.