In windows xp find a 64 bit version was a rare event.
Starting from windows vista, the 64 bit architecture begins his diffusion process.
With Windows 7 is easier find desktop with the 64 bit version installed. So why do not use 64 bit native program 64 bit ?
Often the programs are released only as 32 bit.
Well, windows media player is available for 32 and for 64 but the 32 bit version is set as default. A warning : not all codec are already available on your pc for 64 bit. So before switch download a free pack of codec for 64 bit architecure.
How to switch from 32 to 64
%windir%\system32\unregmp2.exe /SwapTo:64
How to switch from 32 to 64
%windir%\system32\unregmp2.exe /SwapTo:32
