| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 18486 | 41.6 % | ||
 | Windows XP | 918 | 2 % |  |
 | Windows Vista | 1610 | 3.6 % | |
 | Windows (unknown version) | 8 | 0 % | |
 | Windows NT | 8554 | 19.2 % | |
 | Windows Vista (LongHorn) | 237 | 0.5 % | |
 | Windows 2008 | 7076 | 15.9 % | |
 | Windows 2003 | 33 | 0 % | |
 | Windows 2000 | 39 | 0 % | |
 | Windows 3.xx | 11 | 0 % | |
| BSD | 118 | 0.2 % | ||
 | OpenBSD | 58 | 0.1 % | |
 | NetBSD | 36 | 0 % | |
 | FreeBSD | 24 | 0 % | |
| Linux | 13406 | 30.2 % | ||
 | Ubuntu | 354 | 0.7 % | |
 | Suse | 20 | 0 % | |
 | Fedora | 7 | 0 % | |
 | Debian | 12 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 13013 | 29.3 % | |
| Macintosh | 5683 | 12.8 % | ||
 | Mac OS X | 5520 | 12.4 % | |
 | Mac OS | 163 | 0.3 % | |
| Others | 6638 | 14.9 % | ||
 | Unknown | 6611 | 14.9 % | |
 | Unknown Unix system | 27 | 0 % | |