| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 274668 | 63.3 % | ||
 | Windows XP | 5307 | 1.2 % |  |
 | Windows Vista | 19317 | 4.4 % | |
 | Windows (unknown version) | 50 | 0 % | |
 | Windows NT | 153947 | 35.5 % | |
 | Windows ME | 2 | 0 % | |
 | Windows Vista (LongHorn) | 2595 | 0.5 % | |
 | Windows Mobile | 14 | 0 % | |
 | Windows 98 | 3 | 0 % | |
 | Windows 95 | 19 | 0 % | |
 | Windows 2008 | 93234 | 21.5 % | |
 | Windows 2003 | 109 | 0 % | |
 | Windows 2000 | 12 | 0 % | |
 | Windows 3.xx | 59 | 0 % | |
| BSD | 143 | 0 % | ||
 | OpenBSD | 47 | 0 % | |
 | FreeBSD | 96 | 0 % | |
| Linux | 84521 | 19.5 % | ||
 | Ubuntu | 5124 | 1.1 % | |
 | Gentoo | 1 | 0 % | |
 | Debian | 9 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 79387 | 18.3 % | |
| Macintosh | 60928 | 14 % | ||
 | Mac OS X | 60927 | 14 % | |
 | Mac OS | 1 | 0 % | |
| Others | 13107 | 3 % | ||
 | Unknown | 12744 | 2.9 % | |
 | Unknown Unix system | 334 | 0 % | |
 | Sun Solaris | 29 | 0 % | |