For Windows 7: Click the start button and right-click on the computer. Select properties, you will see your computer information. Under system type, you will see x64 if your system is 64 bit. If it is 32 bits, you will see x86.
For Windows 7: Click the start button and right-click on the computer. Select properties, you will see your computer information. Under system type, you will see x64 if your system is 64 bit. If it is 32 bits, you will see x86.