the project IEs4Linux . Years Layout engine Microsoft Windows IBM OS/2 from 2.1 Apple Mac OS Unix HP-UX Solaris 8 7 , WS 08 R2 Vista , WS 08 WS 03 XP Me 2000 98 NT 4.0 95 NT 3.51 NT 3.5 NT 3.1 3.1x X PPC 7.6 to 9.2.2 PPC