| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 1979348 | 71.1 % | ||
 | Windows XP | 856493 | 30.7 % |  |
 | Windows Vista | 1531 | 0 % | |
 | Windows (unknown version) | 1256 | 0 % | |
 | Windows NT | 8485 | 0.3 % | |
 | Windows ME | 128 | 0 % | |
 | Windows Vista (LongHorn) | 217744 | 7.8 % | |
 | Windows Mobile | 3210 | 0.1 % | |
 | Windows 98 | 477 | 0 % | |
 | Windows 95 | 64 | 0 % | |
 | Windows 2008 | 873277 | 31.3 % | |
 | Windows 2003 | 11888 | 0.4 % | |
 | Windows 2000 | 4636 | 0.1 % | |
 | Windows 3.xx | 159 | 0 % | |
| BSD | 920 | 0 % | ||
 | OpenBSD | 115 | 0 % | |
 | GNU/kFreeBSD | 610 | 0 % | |
 | FreeBSD | 195 | 0 % | |
| Linux | 289289 | 10.3 % | ||
 | Ubuntu | 58502 | 2.1 % | |
 | Suse | 3289 | 0.1 % | |
 | Red Hat | 862 | 0 % | |
 | Mandriva (or Mandrake) | 129 | 0 % | |
 | Gentoo | 76 | 0 % | |
 | Fedora | 4942 | 0.1 % | |
 | Debian | 1342 | 0 % | |
 | Centos | 2292 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 217855 | 7.8 % | |
| Macintosh | 382276 | 13.7 % | ||
 | Mac OS X | 382276 | 13.7 % | |
| Others | 130324 | 4.6 % | ||
 | Unknown | 126305 | 4.5 % | |
 | Unknown Unix system | 3304 | 0.1 % | |
 | Symbian OS | 436 | 0 % | |
 | Nintendo Wii | 245 | 0 % | |
 | Sony PlayStation Portable | 22 | 0 % | |
 | Sun Solaris | 11 | 0 % | |
 | OS/2 | 1 | 0 % | |