| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 788794 | 75.2 % | ||
 | Windows XP | 398355 | 37.9 % |  |
 | Windows NT | 227707 | 21.7 % | |
 | Windows Me | 295 | 0 % | |
 | Windows Vista | 147839 | 14 % | |
 | Windows CE | 269 | 0 % | |
 | Windows 98 | 5044 | 0.4 % | |
 | Windows 95 | 162 | 0 % | |
 | Windows 2003 | 4825 | 0.4 % | |
 | Windows 2000 | 4245 | 0.4 % | |
 | Windows 3.xx | 53 | 0 % | |
| BSD | 87 | 0 % | ||
 | OpenBSD | 1 | 0 % | |
 | NetBSD | 4 | 0 % | |
 | FreeBSD | 82 | 0 % | |
| Linux | 30833 | 2.9 % | ||
 | Ubuntu | 8899 | 0.8 % | |
 | Suse | 476 | 0 % | |
 | Red Hat | 1021 | 0 % | |
 | Mandriva (or Mandrake) | 37 | 0 % | |
 | Fedora | 652 | 0 % | |
 | Debian | 287 | 0 % | |
 | Centos | 94 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 19367 | 1.8 % | |
| Macintosh | 172897 | 16.4 % | ||
 | Mac OS X | 172743 | 16.4 % | |
 | Mac OS | 154 | 0 % | |
| Others | 56191 | 5.3 % | ||
 | Unknown | 53869 | 5.1 % | |
 | Symbian OS | 1531 | 0.1 % | |
 | Sony PlayStation Portable | 688 | 0 % | |
 | Unknown Unix system | 63 | 0 % | |
 | Sun Solaris | 28 | 0 % | |
 | WebTV | 5 | 0 % | |
 | OSF Unix | 4 | 0 % | |
 | OS/2 | 1 | 0 % | |
 | CPM | 1 | 0 % | |
 | Aix | 1 | 0 % | |