| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 709047 | 58.7 % | ||
 | Windows XP | 21804 | 1.8 % |  |
 | Windows Vista | 56429 | 4.6 % | |
 | Windows (unknown version) | 178 | 0 % | |
 | Windows NT | 359032 | 29.7 % | |
 | Windows ME | 8 | 0 % | |
 | Windows Vista (LongHorn) | 7083 | 0.5 % | |
 | Windows Mobile | 58 | 0 % | |
 | Windows 98 | 101 | 0 % | |
 | Windows 95 | 66 | 0 % | |
 | Windows 2008 | 263911 | 21.8 % | |
 | Windows 2003 | 196 | 0 % | |
 | Windows 2000 | 84 | 0 % | |
 | Windows 3.xx | 97 | 0 % | |
| BSD | 435 | 0 % | ||
 | OpenBSD | 71 | 0 % | |
 | NetBSD | 28 | 0 % | |
 | FreeBSD | 336 | 0 % | |
| Linux | 236253 | 19.5 % | ||
 | Ubuntu | 13299 | 1.1 % | |
 | Suse | 10 | 0 % | |
 | Red Hat | 1 | 0 % | |
 | Gentoo | 5 | 0 % | |
 | Fedora | 10 | 0 % | |
 | Debian | 50 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 222878 | 18.4 % | |
| Macintosh | 215582 | 17.8 % | ||
 | Mac OS X | 215577 | 17.8 % | |
 | Mac OS | 5 | 0 % | |
| Others | 44664 | 3.7 % | ||
 | Unknown | 43772 | 3.6 % | |
 | Unknown Unix system | 813 | 0 % | |
 | Sun Solaris | 73 | 0 % | |
 | AmigaOS | 3 | 0 % | |
 | Dreamcast | 1 | 0 % | |
 | Irix | 1 | 0 % | |
 | HP UX | 1 | 0 % | |