| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 893511 | 83.1 % | ||
 | Windows XP | 566141 | 52.6 % |  |
 | Windows NT | 75150 | 6.9 % | |
 | Windows Me | 304 | 0 % | |
 | Windows Vista | 237013 | 22 % | |
 | Windows CE | 307 | 0 % | |
 | Windows 98 | 1121 | 0.1 % | |
 | Windows 95 | 116 | 0 % | |
 | Windows 2003 | 8212 | 0.7 % | |
 | Windows 2000 | 5133 | 0.4 % | |
 | Windows 3.xx | 14 | 0 % | |
| BSD | 62 | 0 % | ||
 | OpenBSD | 38 | 0 % | |
 | NetBSD | 3 | 0 % | |
 | FreeBSD | 21 | 0 % | |
| Linux | 23663 | 2.2 % | ||
 | Ubuntu | 10565 | 0.9 % | |
 | Suse | 1072 | 0 % | |
 | Red Hat | 660 | 0 % | |
 | Mandriva (or Mandrake) | 100 | 0 % | |
 | Fedora | 1054 | 0 % | |
 | Debian | 2003 | 0.1 % | |
 | Centos | 110 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 8099 | 0.7 % | |
| Macintosh | 111590 | 10.3 % | ||
 | Mac OS X | 111467 | 10.3 % | |
 | Mac OS | 123 | 0 % | |
| Others | 45850 | 4.2 % | ||
 | Unknown | 43451 | 4 % | |
 | Sony PlayStation Portable | 1352 | 0.1 % | |
 | Symbian OS | 906 | 0 % | |
 | Unknown Unix system | 91 | 0 % | |
 | Sun Solaris | 32 | 0 % | |
 | WebTV | 6 | 0 % | |
 | AmigaOS | 4 | 0 % | |
 | CPM | 4 | 0 % | |
 | OS/2 | 2 | 0 % | |
 | BeOS | 2 | 0 % | |