| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 925674 | 74 % | ||
 | Windows XP | 526893 | 42.1 % |  |
 | Windows NT | 180663 | 14.4 % | |
 | Windows Me | 2370 | 0.1 % | |
 | Windows Vista | 168120 | 13.4 % | |
 | Windows CE | 736 | 0 % | |
 | Windows 98 | 4558 | 0.3 % | |
 | Windows 95 | 1914 | 0.1 % | |
 | Windows 2003 | 8564 | 0.6 % | |
 | Windows 2000 | 31456 | 2.5 % | |
 | Windows 3.xx | 400 | 0 % | |
| BSD | 55 | 0 % | ||
 | OpenBSD | 18 | 0 % | |
 | NetBSD | 2 | 0 % | |
 | FreeBSD | 35 | 0 % | |
| Linux | 29786 | 2.3 % | ||
 | Ubuntu | 9140 | 0.7 % | |
 | Suse | 561 | 0 % | |
 | Red Hat | 1045 | 0 % | |
 | Mandriva (or Mandrake) | 140 | 0 % | |
 | Fedora | 998 | 0 % | |
 | Debian | 820 | 0 % | |
 | Centos | 276 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 16806 | 1.3 % | |
| Macintosh | 121056 | 9.6 % | ||
 | Mac OS X | 120995 | 9.6 % | |
 | Mac OS | 61 | 0 % | |
| Others | 172791 | 13.8 % | ||
 | Unknown | 169222 | 13.5 % | |
 | Symbian OS | 1489 | 0.1 % | |
 | Sony PlayStation Portable | 1399 | 0.1 % | |
 | Unknown Unix system | 563 | 0 % | |
 | Sun Solaris | 92 | 0 % | |
 | AmigaOS | 10 | 0 % | |
 | WebTV | 6 | 0 % | |
 | OS/2 | 3 | 0 % | |
 | VMS | 2 | 0 % | |
 | Aix | 2 | 0 % | |
 | OSF Unix | 1 | 0 % | |
 | Irix | 1 | 0 % | |
 | HP UX | 1 | 0 % | |