ClearSCADA can be installed on computers using the following operating systems:

Windows Vista (Ultimate, Enterprise, and Business editions only)
Windows Server 2003 R2
Windows Server 2003 SP1
Windows Server 2003
Windows Server 2008
Windows XP Professional Edition Service pack 3
Windows XP Professional Edition Service pack 2a
Windows XP Professional Edition Service pack 2
Windows XP Professional Edition Service pack 1
Windows 2000 Server SP4.

ClearSCADA also requires Internet Explorer 6 or Internet Explorer 7. Other browsers are not supported.