| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 7014019 | 68.2 % | ||
 | Windows XP | 612872 | 5.9 % |  |
 | Windows NT | 5538724 | 53.9 % | |
 | Windows Me | 94 | 0 % | |
 | Windows Vista | 850125 | 8.2 % | |
 | Windows CE | 1810 | 0 % | |
 | Windows 98 | 941 | 0 % | |
 | Windows 95 | 198 | 0 % | |
 | Windows 2003 | 7484 | 0 % | |
 | Windows 2000 | 1748 | 0 % | |
 | Windows 3.xx | 23 | 0 % | |
| BSD | 161 | 0 % | ||
 | OpenBSD | 147 | 0 % | |
 | FreeBSD | 14 | 0 % | |
| Linux | 500197 | 4.8 % | ||
 | Ubuntu | 14917 | 0.1 % | |
 | Suse | 163 | 0 % | |
 | Red Hat | 36 | 0 % | |
 | Mandriva (or Mandrake) | 8 | 0 % | |
 | Fedora | 136 | 0 % | |
 | Debian | 87 | 0 % | |
 | Centos | 26 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 484824 | 4.7 % | |
| Macintosh | 2680677 | 26 % | ||
 | Mac OS X | 2680647 | 26 % | |
 | Mac OS | 30 | 0 % | |
| Others | 78034 | 0.7 % | ||
 | Unknown | 74853 | 0.7 % | |
 | Unknown Unix system | 2510 | 0 % | |
 | Symbian OS | 524 | 0 % | |
 | Sony PlayStation Portable | 76 | 0 % | |
 | Sun Solaris | 62 | 0 % | |
 | AmigaOS | 3 | 0 % | |
 | CPM | 2 | 0 % | |
 | BeOS | 2 | 0 % | |
 | OS/2 | 1 | 0 % | |
 | Irix | 1 | 0 % | |