Thread:As-salamu-Alaykum/@comment-3547390-20121009215958/@comment-5019053-20121009221104

I have 64-bit Windows 7 too, minimize the game by pressing Alt+Tab, then right click on taskbar and click Start Task Manager, go to Processes tab, then you will see "glquake.exe *32".

A process that has *32 suffix means a process is a 32-bit program.