What is the difference between 32 bit and 64 bit windows?

32bit version of windows can install in any PC viceversa and any 64bit processor supports 32 bit version of windows and but 32bit cannot and The terms 32-bit and 64-bit refer to the way a computer's processor (also called a CPU), handles information. The 64-bit version of Windows handles large amounts of random access memory (RAM) more effectively than a 32-bit system.

Choose the version which your processor supports/I prefer 32bit only