Microsoft Windows 2000, Professional or Advanced Server Edition, with at least Service Pack 4 required.
Microsoft Windows XP Professional, Service Pack 1 or greater. Since Windows XP has continuous updates, you should run the Windows update feature to get the latest software.
Microsoft Windows Server 2003, Standard or Enterprise Edition. Since Windows Server 2003 has continuous updates, you should run the Windows update feature to get the latest software.
Microsoft Windows XP Tablet Edition, iClient Only.