| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 4374883 | 69 % | ||
 | Windows XP | 2004161 | 31.6 % |  |
 | Windows Vista | 185237 | 2.9 % | |
 | Windows (unknown version) | 22308 | 0.3 % | |
 | Windows NT | 1214 | 0 % | |
 | Windows ME | 44 | 0 % | |
 | Windows Vista (LongHorn) | 152508 | 2.4 % | |
 | Windows Mobile | 56 | 0 % | |
 | Windows 98 | 99 | 0 % | |
 | Windows 95 | 559 | 0 % | |
 | Windows 2008 | 1989521 | 31.4 % | |
 | Windows 2003 | 11004 | 0.1 % | |
 | Windows 2000 | 8168 | 0.1 % | |
 | Windows 3.xx | 4 | 0 % | |
| BSD | 3 | 0 % | ||
 | FreeBSD | 3 | 0 % | |
| Linux | 500724 | 7.9 % | ||
 | Ubuntu | 36187 | 0.5 % | |
 | Suse | 2 | 0 % | |
 | Red Hat | 3 | 0 % | |
 | Mandriva (or Mandrake) | 1 | 0 % | |
 | Fedora | 17 | 0 % | |
 | Debian | 3 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 464511 | 7.3 % | |
| Macintosh | 1177384 | 18.5 % | ||
 | Mac OS X | 1177331 | 18.5 % | |
 | Mac OS | 53 | 0 % | |
| Others | 280139 | 4.4 % | ||
 | Unknown | 273796 | 4.3 % | |
 | Unknown Unix system | 5804 | 0 % | |
 | Nintendo Wii | 214 | 0 % | |
 | Sony PlayStation Portable | 174 | 0 % | |
 | Symbian OS | 146 | 0 % | |
 | Sun Solaris | 3 | 0 % | |
 | RISC OS | 2 | 0 % | |