| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 2290629 | 90.1 % | ||
 | Windows XP | 1530489 | 60.2 % |  |
 | Windows NT | 9342 | 0.3 % | |
 | Windows Me | 2019 | 0 % | |
 | Windows Vista | 655026 | 25.7 % | |
 | Windows CE | 1763 | 0 % | |
 | Windows 98 | 9958 | 0.3 % | |
 | Windows 95 | 17735 | 0.6 % | |
 | Windows 2003 | 34006 | 1.3 % | |
 | Windows 2000 | 30074 | 1.1 % | |
 | Windows 3.xx | 217 | 0 % | |
| BSD | 31 | 0 % | ||
 | FreeBSD | 31 | 0 % | |
| Linux | 20142 | 0.7 % | ||
 | Ubuntu | 9584 | 0.3 % | |
 | Suse | 412 | 0 % | |
 | Red Hat | 133 | 0 % | |
 | Mandriva (or Mandrake) | 114 | 0 % | |
 | Fedora | 674 | 0 % | |
 | Debian | 640 | 0 % | |
 | Centos | 1 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 8584 | 0.3 % | |
| Macintosh | 133772 | 5.2 % | ||
 | Mac OS X | 133585 | 5.2 % | |
 | Mac OS | 187 | 0 % | |
| Others | 97715 | 3.8 % | ||
 | Unknown | 96285 | 3.7 % | |
 | Symbian OS | 1171 | 0 % | |
 | Sun Solaris | 143 | 0 % | |
 | Sony PlayStation Portable | 115 | 0 % | |
 | Unknown Unix system | 1 | 0 % | |