| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 1094894 | 60 % | ||
 | Windows XP | 33200 | 1.8 % |  |
 | Windows Vista | 107506 | 5.8 % | |
 | Windows (unknown version) | 768 | 0 % | |
 | Windows NT | 527712 | 28.9 % | |
 | Windows ME | 21 | 0 % | |
 | Windows Vista (LongHorn) | 11802 | 0.6 % | |
 | Windows Mobile | 52 | 0 % | |
 | Windows 98 | 119 | 0 % | |
 | Windows 95 | 611 | 0 % | |
 | Windows 2008 | 412169 | 22.6 % | |
 | Windows 2003 | 568 | 0 % | |
 | Windows 2000 | 226 | 0 % | |
 | Windows 3.xx | 140 | 0 % | |
| BSD | 650 | 0 % | ||
 | OpenBSD | 82 | 0 % | |
 | NetBSD | 29 | 0 % | |
 | GNU/kFreeBSD | 1 | 0 % | |
 | FreeBSD | 538 | 0 % | |
| Linux | 336639 | 18.4 % | ||
 | Ubuntu | 19967 | 1 % | |
 | Red Hat | 9 | 0 % | |
 | Gentoo | 2 | 0 % | |
 | Debian | 111 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 316550 | 17.3 % | |
| Macintosh | 351979 | 19.3 % | ||
 | Mac OS X | 351972 | 19.3 % | |
 | Mac OS | 7 | 0 % | |
| Others | 37986 | 2 % | ||
 | Unknown | 34769 | 1.9 % | |
 | Unknown Unix system | 3100 | 0.1 % | |
 | Sun Solaris | 87 | 0 % | |
 | Nintendo Wii | 19 | 0 % | |
 | RISC OS | 7 | 0 % | |
 | OS/2 | 2 | 0 % | |
 | Irix | 1 | 0 % | |
 | AmigaOS | 1 | 0 % | |