| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 996350 | 76.5 % | ||
 | Windows XP | 718580 | 55.2 % |  |
 | Windows NT | 7322 | 0.5 % | |
 | Windows ME | 1049 | 0 % | |
 | Windows Vista (LongHorn) | 183101 | 14 % | |
 | Windows Mobile | 173 | 0 % | |
 | Windows 98 | 40365 | 3.1 % | |
 | Windows 95 | 68 | 0 % | |
 | Windows 2003 | 18704 | 1.4 % | |
 | Windows 2000 | 26969 | 2 % | |
 | Windows 3.xx | 19 | 0 % | |
| Linux | 117445 | 9 % | ||
 | GNU Linux (Unknown or unspecified distribution) | 117445 | 9 % | |
| Macintosh | 107290 | 8.2 % | ||
 | Mac OS X | 106428 | 8.1 % | |
 | Mac OS | 862 | 0 % | |
| Others | 80519 | 6.1 % | ||
 | Unknown | 79151 | 6 % | |
 | Sun Solaris | 534 | 0 % | |
 | FreeBSD | 501 | 0 % | |
 | OS/2 | 92 | 0 % | |
 | Symbian OS | 79 | 0 % | |
 | OpenBSD | 76 | 0 % | |
 | Unknown Unix system | 22 | 0 % | |
 | NetBSD | 18 | 0 % | |
 | BeOS | 15 | 0 % | |
 | AmigaOS | 10 | 0 % | |
 | RISC OS | 9 | 0 % | |
 | CPM | 5 | 0 % | |
 | GNU Hurd | 4 | 0 % | |
 | Irix | 3 | 0 % | |