| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 139295 | 74.7 % | ||
 | Windows XP | 8594 | 4.6 % |  |
 | Windows Vista | 36816 | 19.7 % | |
 | Windows (unknown version) | 115 | 0 % | |
 | Windows NT | 22156 | 11.8 % | |
 | Windows ME | 2 | 0 % | |
 | Windows Vista (LongHorn) | 5835 | 3.1 % | |
 | Windows 98 | 110 | 0 % | |
 | Windows 2008 | 65467 | 35.1 % | |
 | Windows 2003 | 91 | 0 % | |
 | Windows 2000 | 106 | 0 % | |
 | Windows 3.xx | 3 | 0 % | |
| BSD | 28 | 0 % | ||
 | OpenBSD | 18 | 0 % | |
 | FreeBSD | 10 | 0 % | |
| Linux | 6019 | 3.2 % | ||
 | Ubuntu | 87 | 0 % | |
 | Suse | 1 | 0 % | |
 | Mandriva (or Mandrake) | 1 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 5930 | 3.1 % | |
| Macintosh | 31243 | 16.7 % | ||
 | Mac OS X | 31243 | 16.7 % | |
| Others | 9842 | 5.2 % | ||
 | Unknown | 9575 | 5.1 % | |
 | Unknown Unix system | 256 | 0.1 % | |
 | Symbian OS | 7 | 0 % | |
 | Sony PlayStation Portable | 3 | 0 % | |
 | Sun Solaris | 1 | 0 % | |