Detailed Information

Opera 11.5.1 is the only HTML 5 Browser that is available for Windows 98 (with limited functions) and starting with Windows 2000 (all functions)

Firefox 2.0 is the last Browser supporting Windows 98, ME and NT 4.0

Internet Explorer 9 for Vista SP2 needs KB971512 & KB2117917 – As no automatic updates is possible anymore you need to download those manually and install them first!