The difference between win7 32-bit and 64-bit

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64-bit systems can support up to 16TB of memory, while 32-bit systems only support 4GB; 64-bit systems can more efficiently utilize computer resources and perform better when processing large data sets and memory-intensive programs; in terms of compatibility, 64-bit applications Can't run on 32-bit systems, while 32-bit applications can run on 64-bit systems and so on.