| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 1112183 | 72.4 % | ||
 | Windows XP | 725310 | 47.2 % |  |
 | Windows NT | 160488 | 10.4 % | |
 | Windows Me | 2326 | 0.1 % | |
 | Windows Vista | 170363 | 11 % | |
 | Windows CE | 800 | 0 % | |
 | Windows 98 | 6974 | 0.4 % | |
 | Windows 95 | 2531 | 0.1 % | |
 | Windows 2003 | 11110 | 0.7 % | |
 | Windows 2000 | 31403 | 2 % | |
 | Windows 3.xx | 878 | 0 % | |
| BSD | 177 | 0 % | ||
 | OpenBSD | 62 | 0 % | |
 | NetBSD | 23 | 0 % | |
 | FreeBSD | 92 | 0 % | |
| Linux | 25538 | 1.6 % | ||
 | Ubuntu | 9707 | 0.6 % | |
 | Suse | 608 | 0 % | |
 | Red Hat | 745 | 0 % | |
 | Mandriva (or Mandrake) | 160 | 0 % | |
 | Fedora | 1039 | 0 % | |
 | Debian | 871 | 0 % | |
 | Centos | 222 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 12186 | 0.7 % | |
| Macintosh | 221898 | 14.4 % | ||
 | Mac OS X | 221782 | 14.4 % | |
 | Mac OS | 116 | 0 % | |
| Others | 176017 | 11.4 % | ||
 | Unknown | 172987 | 11.2 % | |
 | Symbian OS | 1230 | 0 % | |
 | Sony PlayStation Portable | 1019 | 0 % | |
 | Unknown Unix system | 662 | 0 % | |
 | Sun Solaris | 102 | 0 % | |
 | Aix | 5 | 0 % | |
 | AmigaOS | 3 | 0 % | |
 | BeOS | 3 | 0 % | |
 | OS/2 | 2 | 0 % | |
 | CPM | 2 | 0 % | |
 | RISC OS | 1 | 0 % | |
 | WebTV | 1 | 0 % | |