Recommended Server Requirements
Pentium IV or compatible
CPU 1 GHz
512 MB RAM
50 MB HDD free for installation
Additional disk space for logging and cache
Minimum of two network interfaces (including dial-up)

Windows 2000/XP/2003/Vista/2008
32-bit or 64-bit edition

Kerio StaR and Kerio Clientless VPN - Web Interfaces
Internet Explorer 6/7
Firefox 2/3
Safari 2/3

Kerio VPN Client
Pentium III
256 MB RAM
10 MB HDD

Windows 2000/XP/2003/Vista/2008
32-bit or 64-bit edition

Debian Linux 5.0, Ubuntu Linux 8.04 and 8.10 (32-bit distributions)

Mac OS X 10.4 Tiger and higher on Intel Mac