| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 4687535 | 84.7 % | ||
 | Windows XP | 3952395 | 71.4 % |  |
 | Windows Vista | 4 | 0 % | |
 | Windows (unknown version) | 8613 | 0.1 % | |
 | Windows NT | 2048 | 0 % | |
 | Windows ME | 426 | 0 % | |
 | Windows Vista (LongHorn) | 433163 | 7.8 % | |
 | Windows Mobile | 211 | 0 % | |
 | Windows 98 | 455 | 0 % | |
 | Windows 95 | 147 | 0 % | |
 | Windows 2008 | 253261 | 4.5 % | |
 | Windows 2003 | 25655 | 0.4 % | |
 | Windows 2000 | 11122 | 0.2 % | |
 | Windows 3.xx | 35 | 0 % | |
| Linux | 221391 | 4 % | ||
 | Ubuntu | 3856 | 0 % | |
 | Suse | 149 | 0 % | |
 | Red Hat | 1 | 0 % | |
 | Mandriva (or Mandrake) | 533 | 0 % | |
 | Fedora | 1042 | 0 % | |
 | Debian | 483 | 0 % | |
 | Centos | 30 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 215297 | 3.8 % | |
| Macintosh | 415946 | 7.5 % | ||
 | Mac OS X | 415944 | 7.5 % | |
 | Mac OS | 2 | 0 % | |
| Others | 209204 | 3.7 % | ||
 | Unknown | 208775 | 3.7 % | |
 | Unknown Unix system | 263 | 0 % | |
 | Nintendo Wii | 84 | 0 % | |
 | Symbian OS | 49 | 0 % | |
 | Commodore 64 | 18 | 0 % | |
 | Sony PlayStation Portable | 11 | 0 % | |
 | Sun Solaris | 2 | 0 % | |
 | BeOS | 2 | 0 % | |