| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 899239 | 70 % | ||
 | Windows XP | 619584 | 48.2 % |  |
 | Windows NT | 18403 | 1.4 % | |
 | Windows Me | 570 | 0 % | |
 | Windows Vista | 236831 | 18.4 % | |
 | Windows CE | 306 | 0 % | |
 | Windows 98 | 2492 | 0.1 % | |
 | Windows 95 | 196 | 0 % | |
 | Windows 2003 | 5151 | 0.4 % | |
 | Windows 2000 | 15692 | 1.2 % | |
 | Windows 3.xx | 14 | 0 % | |
| BSD | 65 | 0 % | ||
 | OpenBSD | 21 | 0 % | |
 | NetBSD | 2 | 0 % | |
 | FreeBSD | 42 | 0 % | |
| Linux | 26644 | 2 % | ||
 | Ubuntu | 12756 | 0.9 % | |
 | Suse | 622 | 0 % | |
 | Red Hat | 766 | 0 % | |
 | Mandriva (or Mandrake) | 138 | 0 % | |
 | Fedora | 1150 | 0 % | |
 | Debian | 1872 | 0.1 % | |
 | Centos | 191 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 9149 | 0.7 % | |
| Macintosh | 242901 | 18.9 % | ||
 | Mac OS X | 242768 | 18.8 % | |
 | Mac OS | 133 | 0 % | |
| Others | 115680 | 9 % | ||
 | Unknown | 113684 | 8.8 % | |
 | Sony PlayStation Portable | 1092 | 0 % | |
 | Symbian OS | 703 | 0 % | |
 | Unknown Unix system | 76 | 0 % | |
 | Sun Solaris | 65 | 0 % | |
 | AmigaOS | 39 | 0 % | |
 | WebTV | 14 | 0 % | |
 | CPM | 3 | 0 % | |
 | HP UX | 2 | 0 % | |
 | Aix | 1 | 0 % | |
 | BeOS | 1 | 0 % | |