| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 1125459 | 81.8 % | ||
 | Windows XP | 802667 | 58.3 % |  |
 | Windows NT | 11650 | 0.8 % | |
 | Windows Me | 1431 | 0.1 % | |
 | Windows Vista | 209393 | 15.2 % | |
 | Windows CE | 553 | 0 % | |
 | Windows 98 | 29741 | 2.1 % | |
 | Windows 95 | 261 | 0 % | |
 | Windows 2003 | 7414 | 0.5 % | |
 | Windows 2000 | 62296 | 4.5 % | |
 | Windows 3.xx | 53 | 0 % | |
| BSD | 181 | 0 % | ||
 | OpenBSD | 18 | 0 % | |
 | NetBSD | 3 | 0 % | |
 | FreeBSD | 160 | 0 % | |
| Linux | 36251 | 2.6 % | ||
 | Ubuntu | 11902 | 0.8 % | |
 | Suse | 1161 | 0 % | |
 | Red Hat | 427 | 0 % | |
 | Mandriva (or Mandrake) | 202 | 0 % | |
 | Fedora | 2672 | 0.1 % | |
 | Debian | 2189 | 0.1 % | |
 | Centos | 179 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 17519 | 1.2 % | |
| Macintosh | 91629 | 6.6 % | ||
 | Mac OS X | 91211 | 6.6 % | |
 | Mac OS | 418 | 0 % | |
| Others | 121885 | 8.8 % | ||
 | Unknown | 120412 | 8.7 % | |
 | Symbian OS | 649 | 0 % | |
 | Sony PlayStation Portable | 512 | 0 % | |
 | Sun Solaris | 133 | 0 % | |
 | WebTV | 87 | 0 % | |
 | Unknown Unix system | 47 | 0 % | |
 | AmigaOS | 22 | 0 % | |
 | OS/2 | 13 | 0 % | |
 | BeOS | 4 | 0 % | |
 | OSF Unix | 2 | 0 % | |
 | Aix | 2 | 0 % | |
 | RISC OS | 1 | 0 % | |
 | CPM | 1 | 0 % | |