Pentium Processor 1.5ghz and above 128mb Ram Available 1GB Hard Drive Space (20mb for initial install. Archive will grow average 3kb per message sent)
Core 2 Duo CPU or above.
256mb Ram Available 2GB Hard Drive Space (20mb for initial install. Archive will grow average 3kb per message sent).
Both 32-bit and 64-bit OS
Windows XP (Service pack 1,2 and 3)
Windows Vista
Windows 7
Windows 8
Windows 8.1
Windows 10
Windows Server 2003
Windows Server 2003 R2
Windows Server 2008
Windows Server 2008 R2
Windows server 2012
Windows Server 2012 R2