| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 840039 | 62.5 % | ||
 | Windows XP | 421134 | 31.3 % |  |
 | Windows NT | 239897 | 17.8 % | |
 | Windows Me | 302 | 0 % | |
 | Windows Vista | 150458 | 11.1 % | |
 | Windows CE | 272 | 0 % | |
 | Windows 98 | 5139 | 0.3 % | |
 | Windows 95 | 206 | 0 % | |
 | Windows 2003 | 5145 | 0.3 % | |
 | Windows 2000 | 17430 | 1.2 % | |
 | Windows 3.xx | 56 | 0 % | |
| BSD | 90 | 0 % | ||
 | OpenBSD | 1 | 0 % | |
 | NetBSD | 4 | 0 % | |
 | FreeBSD | 85 | 0 % | |
| Linux | 36164 | 2.6 % | ||
 | Ubuntu | 11427 | 0.8 % | |
 | Suse | 576 | 0 % | |
 | Red Hat | 1130 | 0 % | |
 | Mandriva (or Mandrake) | 96 | 0 % | |
 | Fedora | 815 | 0 % | |
 | Debian | 440 | 0 % | |
 | Centos | 136 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 21544 | 1.6 % | |
| Macintosh | 175746 | 13 % | ||
 | Mac OS X | 175584 | 13 % | |
 | Mac OS | 162 | 0 % | |
| Others | 291422 | 21.6 % | ||
 | Unknown | 289049 | 21.5 % | |
 | Symbian OS | 1551 | 0.1 % | |
 | Sony PlayStation Portable | 696 | 0 % | |
 | Unknown Unix system | 76 | 0 % | |
 | Sun Solaris | 36 | 0 % | |
 | WebTV | 5 | 0 % | |
 | OSF Unix | 4 | 0 % | |
 | OS/2 | 1 | 0 % | |
 | AmigaOS | 1 | 0 % | |
 | CPM | 1 | 0 % | |
 | Aix | 1 | 0 % | |
 | BeOS | 1 | 0 % | |