| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 2576972 | 62.8 % | ||
 | Windows XP | 226944 | 5.5 % |  |
 | Microsoft XBOX | 282 | 0 % | |
 | Windows NT | 2105366 | 51.3 % | |
 | Windows Me | 94 | 0 % | |
 | Windows Vista | 232153 | 5.6 % | |
 | Windows CE | 2400 | 0 % | |
 | Windows 98 | 462 | 0 % | |
 | Windows 95 | 14 | 0 % | |
 | Windows 2003 | 2420 | 0 % | |
 | Windows 2000 | 6833 | 0.1 % | |
 | Windows 3.xx | 4 | 0 % | |
| BSD | 165 | 0 % | ||
 | OpenBSD | 67 | 0 % | |
 | FreeBSD | 98 | 0 % | |
| Linux | 243041 | 5.9 % | ||
 | Ubuntu | 6093 | 0.1 % | |
 | Suse | 354 | 0 % | |
 | Red Hat | 22 | 0 % | |
 | Mandriva (or Mandrake) | 4 | 0 % | |
 | Fedora | 277 | 0 % | |
 | Debian | 27 | 0 % | |
 | Centos | 11 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 236253 | 5.7 % | |
| Macintosh | 992419 | 24.2 % | ||
 | Mac OS X | 992399 | 24.2 % | |
 | Mac OS | 20 | 0 % | |
| Others | 287046 | 7 % | ||
 | Unknown | 284065 | 6.9 % | |
 | Unknown Unix system | 1758 | 0 % | |
 | Sun Solaris | 612 | 0 % | |
 | Symbian OS | 568 | 0 % | |
 | Sony PlayStation Portable | 42 | 0 % | |
 | RISC OS | 1 | 0 % | |