| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 550865 | 82.3 % | ||
 | Windows XP | 330305 | 49.3 % |  |
 | Windows NT | 77927 | 11.6 % | |
 | Windows Me | 215 | 0 % | |
 | Windows Vista | 129475 | 19.3 % | |
 | Windows CE | 208 | 0 % | |
 | Windows 98 | 716 | 0.1 % | |
 | Windows 95 | 115 | 0 % | |
 | Windows 2003 | 5227 | 0.7 % | |
 | Windows 2000 | 6641 | 0.9 % | |
 | Windows 3.xx | 36 | 0 % | |
| BSD | 49 | 0 % | ||
 | OpenBSD | 1 | 0 % | |
 | NetBSD | 1 | 0 % | |
 | FreeBSD | 47 | 0 % | |
| Linux | 16386 | 2.4 % | ||
 | Ubuntu | 7249 | 1 % | |
 | Suse | 288 | 0 % | |
 | Red Hat | 905 | 0.1 % | |
 | Mandriva (or Mandrake) | 41 | 0 % | |
 | Fedora | 748 | 0.1 % | |
 | Debian | 467 | 0 % | |
 | Centos | 120 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 6568 | 0.9 % | |
| Macintosh | 76619 | 11.4 % | ||
 | Mac OS X | 76534 | 11.4 % | |
 | Mac OS | 85 | 0 % | |
| Others | 25104 | 3.7 % | ||
 | Unknown | 23964 | 3.5 % | |
 | Symbian OS | 566 | 0 % | |
 | Sony PlayStation Portable | 480 | 0 % | |
 | Sun Solaris | 48 | 0 % | |
 | Unknown Unix system | 30 | 0 % | |
 | WebTV | 12 | 0 % | |
 | OSF Unix | 2 | 0 % | |
 | CPM | 1 | 0 % | |
 | Aix | 1 | 0 % | |