Windows 7 - 32 bit vs 64 bit Comparison

Thanks lordbob I have 64 bit but I didn't know what the differences were until now. Jerry

It will run, but the minimum requirement is listed as 2Gb RAM.
Source: Windows 7 system requirements - Microsoft Windows

You're welcome.
No problem. The guide needed to be written. No idea why it hadn't been yet...

~Lordbob

Oh! thanks for clearing that

Welcome.

~Lordbob

does 64bit OS mean it cannot be infected by virus because virus is 32 bit ?

I don't think so. And mind telling me how do you know certain virus 32 or 64. Just Asking . Thanks

That depends on the virus, if the virus is compiled directly to a binary format that is not compatible with WoW, it won't infect Win64. If it does compatible, and can link to a 64bit compiled library, it can infect Win64.

If the virus is created by an intermediary language (.net/java), if the perquisite requirement is there, it can infect Win64.

Then again, there's a lot going on in the "infecting" stage, we can't really know for sure until we looked at the memory stack in action...

zzz2496

Thanks!

Interesting question actually. Not something I ever thought about before.

In general, I would expect hackers to write universal code as much as possible.

~Lordbob

There is a "universal" code, that is by using intermediary runtime, like .net/java. But the downside of that road is the program will rely on that intermediary runtime, and the intermediary runtime MUST HAVE ACCESS to the core OS's functions to do it's harm.

An alternative would be to modify the kernel and segment the binaries, making one binary contains 2 completely different datastreams. This method was used by Apple's Mac OS X in the transition between PPC and x86, one binary package contains two datastreams, one for PPC, another for x86.

The last alternative, this will need you to modify the kernel and set the flag in the binary manually so that when it runs, it will invoke the processor's x86 legacy mode, and run it accordingly, but this has many downsides, too complex to explain...

zzz2496