| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 4774 | 88 % | ||
 | Windows XP | 204 | 3.7 % |  |
 | Windows Vista | 918 | 16.9 % | |
 | Windows NT | 1143 | 21 % | |
 | Windows Vista (LongHorn) | 1 | 0 % | |
 | Windows 2008 | 2504 | 46.1 % | |
 | Windows 2003 | 4 | 0 % | |
| Linux | 124 | 2.2 % | ||
 | Ubuntu | 1 | 0 % | |
 | Gentoo | 1 | 0 % | |
 | Debian | 11 | 0.2 % | |
 | GNU Linux (Unknown or unspecified distribution) | 111 | 2 % | |
| Macintosh | 476 | 8.7 % | ||
 | Mac OS X | 476 | 8.7 % | |
| Others | 49 | 0.9 % | ||
 | Unknown | 40 | 0.7 % | |
 | Unknown Unix system | 9 | 0.1 % | |