Pocket PC 2003 or Windows Mobile 5.0 and above

Strong ARM processors
ActiveSync / WiFi wireless LAN capabilities
Device RAM: 32Mb (64Mb Recommended)
Storage: Minimum 2Mb, full Install 10Mb required.

Windows CE 4.2 and later

Processor: Strong ARM processors, X86 Compatable
Operating System: Windows CE 4.2 or above
ActiveSync capabilities
Device RAM: 32Mb (64Mb Recommended)
Storage: 5Mb free space required