Is my PC running the 32-bit or 64-bit version of Windows

How to determine Check if you have a 64

bit or 32-bit Windows OS

Know your Windows OS is 32 bit or 64 Bits 

1. In Windows Go to Start - > My Computer - > Right click - > Click Properties - > See below box 

Windows 32 bit or 64 bit 

2. You can also open above box by - > Control Panel - > System and security - > System