| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 1852803 | 86.3 % | ||
 | Windows XP | 1159151 | 54 % |  |
 | Windows NT | 9713 | 0.4 % | |
 | Windows Me | 1247 | 0 % | |
 | Windows Vista | 430848 | 20 % | |
 | Windows CE | 672 | 0 % | |
 | Windows 98 | 209509 | 9.7 % | |
 | Windows 95 | 131 | 0 % | |
 | Windows 2003 | 11300 | 0.5 % | |
 | Windows 2000 | 30166 | 1.4 % | |
 | Windows 3.xx | 66 | 0 % | |
| BSD | 260 | 0 % | ||
 | OpenBSD | 31 | 0 % | |
 | NetBSD | 19 | 0 % | |
 | FreeBSD | 210 | 0 % | |
| Linux | 40228 | 1.8 % | ||
 | Ubuntu | 13607 | 0.6 % | |
 | Suse | 1227 | 0 % | |
 | Red Hat | 531 | 0 % | |
 | Mandriva (or Mandrake) | 195 | 0 % | |
 | Fedora | 4458 | 0.2 % | |
 | Debian | 2812 | 0.1 % | |
 | Centos | 308 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 17090 | 0.7 % | |
| Macintosh | 161699 | 7.5 % | ||
 | Mac OS X | 161125 | 7.5 % | |
 | Mac OS | 574 | 0 % | |
| Others | 89744 | 4.1 % | ||
 | Unknown | 87874 | 4 % | |
 | Sony PlayStation Portable | 910 | 0 % | |
 | Symbian OS | 627 | 0 % | |
 | Sun Solaris | 152 | 0 % | |
 | WebTV | 68 | 0 % | |
 | Unknown Unix system | 41 | 0 % | |
 | OS/2 | 37 | 0 % | |
 | Aix | 21 | 0 % | |
 | AmigaOS | 10 | 0 % | |
 | BeOS | 4 | 0 % | |