Initial release:December 27, 1999; 18 years ago
Stable release:10.5.1 / June 29, 2017; 6 months ago
Operating system:Desktop: Windows 7 SP1 and later, Windows Server 2008 SP2 and later; Server (x64 only) additionally supports: Windows Server 2003 SP2 and later; RHEL 5 Update 7 and later, SLES 11 SP1 and later.
Type:Geographic information system
License:Proprietary commercial software