Minimum Software Requirements:

Windows 98, XP, Vista, 7 (32 or 64 bit)
Lotus Approach / SmartSuite 97, 9.5, 9.7 or 9.8
(SmartSuite is included with Full Version purchase)

Minimum Hardware Requirements:
 
IBM PC or compatible
Pentium II (Pentium III or better recommended)
512 MB RAM (1 Gig RAM or better recommended)

Hard Drive Space (Minimum)
Lotus Approach - 20 MB (each client)
ArchAdministrator - 400 MB (server or stand-alone)

Lotus Approach allows ArchAdministrator to run on a network of many computers.