What is the differnece between windows 64 and 32 bit?

[Xoj]

Homeroids said:
@Xoj

It all depends on the Win7 version in regards to the memory limitation. Most versions go to 192gb.

http://msdn.microsoft.com/en-us/library/aa366778%28VS.85%29.aspx#physical_memory_limits_windows_7

i know i said it could go as 256gb theorically, but min limit it's 8gb for home basic.