| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 724389 | 53 % | ||
 | Windows XP | 385925 | 28.2 % |  |
 | Windows NT | 191711 | 14 % | |
 | Windows Me | 309 | 0 % | |
 | Windows Vista | 132841 | 9.7 % | |
 | Windows CE | 190 | 0 % | |
 | Windows 98 | 4119 | 0.3 % | |
 | Windows 95 | 178 | 0 % | |
 | Windows 2003 | 4608 | 0.3 % | |
 | Windows 2000 | 4446 | 0.3 % | |
 | Windows 3.xx | 62 | 0 % | |
| BSD | 19 | 0 % | ||
 | NetBSD | 1 | 0 % | |
 | FreeBSD | 18 | 0 % | |
| Linux | 25715 | 1.8 % | ||
 | Ubuntu | 8940 | 0.6 % | |
 | Suse | 397 | 0 % | |
 | Red Hat | 1276 | 0 % | |
 | Mandriva (or Mandrake) | 68 | 0 % | |
 | Fedora | 637 | 0 % | |
 | Debian | 573 | 0 % | |
 | Centos | 81 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 13743 | 1 % | |
| Macintosh | 97198 | 7.1 % | ||
 | Mac OS X | 97113 | 7.1 % | |
 | Mac OS | 85 | 0 % | |
| Others | 518195 | 37.9 % | ||
 | Unknown | 516023 | 37.7 % | |
 | Symbian OS | 1279 | 0 % | |
 | Sony PlayStation Portable | 749 | 0 % | |
 | Unknown Unix system | 91 | 0 % | |
 | Sun Solaris | 29 | 0 % | |
 | RISC OS | 7 | 0 % | |
 | WebTV | 6 | 0 % | |
 | OS/2 | 5 | 0 % | |
 | BeOS | 3 | 0 % | |
 | Commodore 64 | 2 | 0 % | |
 | Irix | 1 | 0 % | |