| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 550757 | 76.4 % | ||
 | Windows XP | 268025 | 37.2 % |  |
 | Windows NT | 175502 | 24.3 % | |
 | Windows Me | 222 | 0 % | |
 | Windows Vista | 92924 | 12.9 % | |
 | Windows CE | 202 | 0 % | |
 | Windows 98 | 8875 | 1.2 % | |
 | Windows 95 | 110 | 0 % | |
 | Windows 2003 | 2719 | 0.3 % | |
 | Windows 2000 | 2141 | 0.2 % | |
 | Windows 3.xx | 37 | 0 % | |
| BSD | 61 | 0 % | ||
 | OpenBSD | 1 | 0 % | |
 | NetBSD | 1 | 0 % | |
 | FreeBSD | 59 | 0 % | |
| Linux | 23786 | 3.3 % | ||
 | Ubuntu | 8607 | 1.1 % | |
 | Suse | 250 | 0 % | |
 | Red Hat | 504 | 0 % | |
 | Mandriva (or Mandrake) | 51 | 0 % | |
 | Fedora | 276 | 0 % | |
 | Debian | 224 | 0 % | |
 | Centos | 94 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 13780 | 1.9 % | |
| Macintosh | 98696 | 13.7 % | ||
 | Mac OS X | 98672 | 13.7 % | |
 | Mac OS | 24 | 0 % | |
| Others | 46911 | 6.5 % | ||
 | Unknown | 44794 | 6.2 % | |
 | Symbian OS | 1283 | 0.1 % | |
 | Sony PlayStation Portable | 645 | 0 % | |
 | Sun Solaris | 108 | 0 % | |
 | Unknown Unix system | 65 | 0 % | |
 | CPM | 7 | 0 % | |
 | WebTV | 5 | 0 % | |
 | BeOS | 2 | 0 % | |
 | OS/2 | 1 | 0 % | |
 | AmigaOS | 1 | 0 % | |