| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 535223 | 67.9 % | ||
 | Windows XP | 319598 | 40.5 % |  |
 | Windows (unknown version) | 175 | 0 % | |
 | Windows NT | 1649 | 0.2 % | |
 | Windows ME | 143 | 0 % | |
 | Windows Vista (LongHorn) | 104137 | 13.2 % | |
 | Windows Mobile | 48 | 0 % | |
 | Windows 98 | 465 | 0 % | |
 | Windows 95 | 40 | 0 % | |
 | Windows 2008 | 95260 | 12 % | |
 | Windows 2003 | 8106 | 1 % | |
 | Windows 2000 | 5584 | 0.7 % | |
 | Windows 3.xx | 18 | 0 % | |
| BSD | 576 | 0 % | ||
 | OpenBSD | 81 | 0 % | |
 | NetBSD | 9 | 0 % | |
 | FreeBSD | 486 | 0 % | |
| Linux | 133775 | 16.9 % | ||
 | Ubuntu | 58467 | 7.4 % | |
 | Suse | 5587 | 0.7 % | |
 | Red Hat | 639 | 0 % | |
 | Mandriva (or Mandrake) | 1067 | 0.1 % | |
 | Gentoo | 2965 | 0.3 % | |
 | Fedora | 4999 | 0.6 % | |
 | Debian | 7080 | 0.8 % | |
 | Centos | 804 | 0.1 % | |
 | GNU Linux (Unknown or unspecified distribution) | 52167 | 6.6 % | |
| Macintosh | 89540 | 11.3 % | ||
 | Mac OS X | 89526 | 11.3 % | |
 | Mac OS | 14 | 0 % | |
| Others | 28968 | 3.6 % | ||
 | Unknown | 28235 | 3.5 % | |
 | Sun Solaris | 361 | 0 % | |
 | Symbian OS | 143 | 0 % | |
 | OS/2 | 110 | 0 % | |
 | Sony PlayStation Portable | 45 | 0 % | |
 | Unknown Unix system | 28 | 0 % | |
 | Nintendo Wii | 26 | 0 % | |
 | Aix | 5 | 0 % | |
 | HP UX | 5 | 0 % | |
 | Commodore 64 | 4 | 0 % | |
 | AmigaOS | 3 | 0 % | |
 | RISC OS | 2 | 0 % | |
 | BeOS | 1 | 0 % | |