| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 338274 | 72.5 % | ||
 | Windows XP | 145992 | 31.3 % |  |
 | Windows NT | 142264 | 30.5 % | |
 | Windows Me | 214 | 0 % | |
 | Windows Vista | 41216 | 8.8 % | |
 | Windows CE | 757 | 0.1 % | |
 | Windows 98 | 4492 | 0.9 % | |
 | Windows 95 | 66 | 0 % | |
 | Windows 2003 | 1897 | 0.4 % | |
 | Windows 2000 | 1348 | 0.2 % | |
 | Windows 3.xx | 28 | 0 % | |
| BSD | 19 | 0 % | ||
 | NetBSD | 1 | 0 % | |
 | FreeBSD | 18 | 0 % | |
| Linux | 18276 | 3.9 % | ||
 | Ubuntu | 3611 | 0.7 % | |
 | Suse | 200 | 0 % | |
 | Red Hat | 274 | 0 % | |
 | Mandriva (or Mandrake) | 12 | 0 % | |
 | Fedora | 369 | 0 % | |
 | Debian | 280 | 0 % | |
 | Centos | 286 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 13244 | 2.8 % | |
| Macintosh | 56229 | 12 % | ||
 | Mac OS X | 56218 | 12 % | |
 | Mac OS | 11 | 0 % | |
| Others | 53236 | 11.4 % | ||
 | Unknown | 52124 | 11.1 % | |
 | Symbian OS | 765 | 0.1 % | |
 | Sony PlayStation Portable | 184 | 0 % | |
 | Unknown Unix system | 119 | 0 % | |
 | Sun Solaris | 40 | 0 % | |
 | OS/2 | 4 | 0 % | |