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

Question

difference in storage data in memory.

Answer 1

https://support.microsoft.com/en-in/help/15056/windows-7-32-64-bit-faq

Answer 2

64 bit can ultilise more ram as 32 bit has a 4GB limit.

Answer 3

A lot actually, 64 bit has more CPU registers, a higher addressing range, bigger registers, a few new instruction sets, a different method of making system calls, and a lot of other changes