| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 570853 | 67.4 % | ||
 | Windows XP | 329729 | 38.9 % |  |
 | Windows (unknown version) | 201 | 0 % | |
 | Windows NT | 152 | 0 % | |
 | Windows ME | 285 | 0 % | |
 | Windows Vista (LongHorn) | 105348 | 12.4 % | |
 | Windows Mobile | 92 | 0 % | |
 | Windows 98 | 551 | 0 % | |
 | Windows 95 | 24 | 0 % | |
 | Windows 2008 | 122282 | 14.4 % | |
 | Windows 2003 | 7117 | 0.8 % | |
 | Windows 2000 | 5061 | 0.5 % | |
 | Windows 3.xx | 11 | 0 % | |
| BSD | 536 | 0 % | ||
 | OpenBSD | 19 | 0 % | |
 | NetBSD | 31 | 0 % | |
 | FreeBSD | 486 | 0 % | |
| Linux | 147222 | 17.4 % | ||
 | Ubuntu | 65339 | 7.7 % | |
 | Suse | 13565 | 1.6 % | |
 | Red Hat | 1037 | 0.1 % | |
 | Mandriva (or Mandrake) | 1566 | 0.1 % | |
 | Gentoo | 2817 | 0.3 % | |
 | Fedora | 5773 | 0.6 % | |
 | Debian | 3462 | 0.4 % | |
 | Centos | 763 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 52900 | 6.2 % | |
| Macintosh | 97218 | 11.4 % | ||
 | Mac OS X | 97196 | 11.4 % | |
 | Mac OS | 22 | 0 % | |
| Others | 30243 | 3.5 % | ||
 | Unknown | 29674 | 3.5 % | |
 | Sun Solaris | 267 | 0 % | |
 | Symbian OS | 164 | 0 % | |
 | Unknown Unix system | 74 | 0 % | |
 | OS/2 | 34 | 0 % | |
 | CPM | 13 | 0 % | |
 | HP UX | 11 | 0 % | |
 | Nintendo Wii | 4 | 0 % | |
 | RISC OS | 2 | 0 % | |