| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 1783239 | 78.1 % | ||
 | Windows XP | 650704 | 28.5 % |  |
 | Windows Vista | 1261 | 0 % | |
 | Windows (unknown version) | 6920 | 0.3 % | |
 | Windows NT | 21127 | 0.9 % | |
 | Windows ME | 240 | 0 % | |
 | Windows Vista (LongHorn) | 171197 | 7.5 % | |
 | Windows Mobile | 117 | 0 % | |
 | Windows 98 | 1608 | 0 % | |
 | Windows 95 | 245 | 0 % | |
 | Windows 2008 | 912888 | 40 % | |
 | Windows 2003 | 12325 | 0.5 % | |
 | Windows 2000 | 4516 | 0.1 % | |
 | Windows 3.xx | 91 | 0 % | |
| BSD | 8 | 0 % | ||
 | OpenBSD | 6 | 0 % | |
 | FreeBSD | 2 | 0 % | |
| Linux | 40432 | 1.7 % | ||
 | Ubuntu | 3193 | 0.1 % | |
 | Suse | 338 | 0 % | |
 | Red Hat | 39 | 0 % | |
 | Mandriva (or Mandrake) | 23 | 0 % | |
 | Gentoo | 4 | 0 % | |
 | Fedora | 406 | 0 % | |
 | Debian | 42 | 0 % | |
 | Centos | 33 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 36354 | 1.5 % | |
| Macintosh | 402350 | 17.6 % | ||
 | Mac OS X | 402348 | 17.6 % | |
 | Mac OS | 2 | 0 % | |
| Others | 54786 | 2.4 % | ||
 | Unknown | 52650 | 2.3 % | |
 | Symbian OS | 1440 | 0 % | |
 | Unknown Unix system | 538 | 0 % | |
 | Sun Solaris | 69 | 0 % | |
 | Sony PlayStation Portable | 66 | 0 % | |
 | Nintendo Wii | 23 | 0 % | |