| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 1121993 | 78.7 % | ||
 | Windows XP | 650489 | 45.6 % |  |
 | Windows NT | 187580 | 13.1 % | |
 | Windows Me | 868 | 0 % | |
 | Windows Vista | 258569 | 18.1 % | |
 | Windows CE | 635 | 0 % | |
 | Windows 98 | 2939 | 0.2 % | |
 | Windows 95 | 675 | 0 % | |
 | Windows 2003 | 7460 | 0.5 % | |
 | Windows 2000 | 12626 | 0.8 % | |
 | Windows 3.xx | 152 | 0 % | |
| BSD | 142 | 0 % | ||
 | OpenBSD | 4 | 0 % | |
 | NetBSD | 24 | 0 % | |
 | FreeBSD | 114 | 0 % | |
| Linux | 37558 | 2.6 % | ||
 | Ubuntu | 15485 | 1 % | |
 | Suse | 1203 | 0 % | |
 | Red Hat | 2096 | 0.1 % | |
 | Mandriva (or Mandrake) | 65 | 0 % | |
 | Fedora | 1481 | 0.1 % | |
 | Debian | 467 | 0 % | |
 | Centos | 211 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 16550 | 1.1 % | |
| Macintosh | 213021 | 14.9 % | ||
 | Mac OS X | 212810 | 14.9 % | |
 | Mac OS | 211 | 0 % | |
| Others | 51883 | 3.6 % | ||
 | Unknown | 49564 | 3.4 % | |
 | Symbian OS | 917 | 0 % | |
 | Sony PlayStation Portable | 911 | 0 % | |
 | Unknown Unix system | 370 | 0 % | |
 | Sun Solaris | 112 | 0 % | |
 | OS/2 | 3 | 0 % | |
 | Aix | 3 | 0 % | |
 | Dreamcast | 1 | 0 % | |
 | RISC OS | 1 | 0 % | |
 | BeOS | 1 | 0 % | |