How to change the computer 32-digit 64-bit 32-bit Win7 system to 64-bit

32-bit Win7 system how to replace the 64-bit: Recently on the internet to see some comments, ask the computer 32 how to change 64, of course, for the computer more familiar friends will feel this problem a little strange, but for many beginners it is indeed a worthy answer to the question, For example, some users asked: The computer installed is the 32-bit flagship version of Win7, home computer memory is 4G, it is said to replace 64-bit to improve performance, ask how to replace?

In fact, 32-bit replaced by 64-bit is not only the so-called number of changes, not the system inside the 32 change to 64 on it.　　The difference between a 32-bit and a 64-bit system is not just a change in numbers, but a kernel difference. Therefore, now we should be able to understand that 32-bit Win7 system can not be directly replaced by 64-bit Win7, but the need to reinstall the operating system, like to replace XP Win7 is the same truth.