| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 905000 | 81.5 % | ||
 | Windows XP | 617923 | 55.6 % |  |
 | Windows NT | 12436 | 1.1 % | |
 | Windows Me | 623 | 0 % | |
 | Windows Vista | 246093 | 22.1 % | |
 | Windows CE | 464 | 0 % | |
 | Windows 98 | 3307 | 0.2 % | |
 | Windows 95 | 261 | 0 % | |
 | Windows 2003 | 5971 | 0.5 % | |
 | Windows 2000 | 17905 | 1.6 % | |
 | Windows 3.xx | 17 | 0 % | |
| BSD | 152 | 0 % | ||
 | OpenBSD | 9 | 0 % | |
 | NetBSD | 4 | 0 % | |
 | FreeBSD | 139 | 0 % | |
| Linux | 26315 | 2.3 % | ||
 | Ubuntu | 11909 | 1 % | |
 | Suse | 630 | 0 % | |
 | Red Hat | 459 | 0 % | |
 | Mandriva (or Mandrake) | 118 | 0 % | |
 | Fedora | 1399 | 0.1 % | |
 | Debian | 1648 | 0.1 % | |
 | Centos | 228 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 9924 | 0.8 % | |
| Macintosh | 104198 | 9.3 % | ||
 | Mac OS X | 103988 | 9.3 % | |
 | Mac OS | 210 | 0 % | |
| Others | 74388 | 6.7 % | ||
 | Unknown | 72395 | 6.5 % | |
 | Sony PlayStation Portable | 1065 | 0 % | |
 | Symbian OS | 597 | 0 % | |
 | Sun Solaris | 202 | 0 % | |
 | Unknown Unix system | 56 | 0 % | |
 | WebTV | 33 | 0 % | |
 | AmigaOS | 24 | 0 % | |
 | OS/2 | 5 | 0 % | |
 | CPM | 4 | 0 % | |
 | OSF Unix | 3 | 0 % | |
 | VMS | 2 | 0 % | |
 | RISC OS | 1 | 0 % | |
 | BeOS | 1 | 0 % | |