| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 772937 | 70.5 % | ||
 | Windows XP | 526948 | 48 % |  |
 | Windows Vista | 59 | 0 % | |
 | Windows (unknown version) | 355 | 0 % | |
 | Windows NT | 20560 | 1.8 % | |
 | Windows ME | 579 | 0 % | |
 | Windows Vista (LongHorn) | 183990 | 16.7 % | |
 | Windows Mobile | 123 | 0 % | |
 | Windows 98 | 7213 | 0.6 % | |
 | Windows 95 | 83 | 0 % | |
 | Windows 2008 | 11523 | 1 % | |
 | Windows 2003 | 8483 | 0.7 % | |
 | Windows 2000 | 12953 | 1.1 % | |
 | Windows 3.xx | 68 | 0 % | |
| BSD | 291 | 0 % | ||
 | OpenBSD | 12 | 0 % | |
 | NetBSD | 19 | 0 % | |
 | FreeBSD | 260 | 0 % | |
| Linux | 106222 | 9.6 % | ||
 | Ubuntu | 20065 | 1.8 % | |
 | Suse | 1736 | 0.1 % | |
 | Red Hat | 115 | 0 % | |
 | Mandriva (or Mandrake) | 445 | 0 % | |
 | Gentoo | 929 | 0 % | |
 | Fedora | 1529 | 0.1 % | |
 | Debian | 2394 | 0.2 % | |
 | Centos | 267 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 78742 | 7.1 % | |
| Macintosh | 114659 | 10.4 % | ||
 | Mac OS X | 114470 | 10.4 % | |
 | Mac OS | 189 | 0 % | |
| Others | 101764 | 9.2 % | ||
 | Unknown | 100977 | 9.2 % | |
 | Sun Solaris | 274 | 0 % | |
 | Symbian OS | 207 | 0 % | |
 | FreeBSD | 200 | 0 % | |
 | Sony PlayStation Portable | 22 | 0 % | |
 | OpenBSD | 18 | 0 % | |
 | OS/2 | 13 | 0 % | |
 | OSF Unix | 12 | 0 % | |
 | Aix | 10 | 0 % | |
 | Unknown Unix system | 8 | 0 % | |
 | NetBSD | 6 | 0 % | |
 | Irix | 5 | 0 % | |
 | GNU Hurd | 5 | 0 % | |
 | CPM | 4 | 0 % | |
 | Nintendo Wii | 1 | 0 % | |
 | hp-ux | 1 | 0 % | |
 | BeOS | 1 | 0 % | |