The only difference between 64bit and 32bit XP versions is that the earlier one can utilize more than 4GB of RAM whereas the latter one can’t utilize more than 4GB of RAM. Over the year Windows XP Professional 64bit ISO became more popular. Win XP home supports 32-bit OS (x86 ) whereas Win XP professional supports 64-bit OS (圆4). Windows XP Home and Professional editions were the only two major versions released in the year 2001.
Windows XP SP3 ISO Full Version Download Overview
