64-bit:

GetNativeSystemInfo

GetSystemWow64Directory

How to adjust monitor brightness (Vista, monitor with DDC support)

How to check whether the system is 32-bit or 64-bit

How to display Windows On-Screen Keyboard

Moving shortcut to a specified position on the Windows Desktop

Obtaining names and positions for shortcuts located on the Windows Desktop

Using Video Capture: displaying on FoxPro form frames and previewing video obtained from a digital camera