Microsoft has extended Internet Explorer 8 Beta 2 until December 31, 2008. Free unlimited installation and usage support is available for Internet Explorer 8 pre-released versions, but only for North America English customers. This support for Internet Explorer 8 pre-released versions is valid until December 31st, 2008,” reads a message on the IE8 Beta 2 support page. “Advanced issues are not supported. Advanced issues include, but are not limited to, problems that are associated with software and hardware development, domain connectivity, server-based technologies, website development, and business-critical systems.