Check your PC supports 64-bit O.S with 64 -bit checker.

64-bit checker is a small portable software used to check if your computer supports 64-bit windows OS. This is a portable software(no installation needed).

It also shows:

 the current version of windows O.S you installed in your computer.

show the currently running O.S and its version.

shows weather your processor support 64-bit O.S.

Download 64-bit checker.