| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 2681477 | 71.6 % | ||
 | Windows XP | 771975 | 20.6 % |  |
 | Windows Vista | 88309 | 2.3 % | |
 | Windows (unknown version) | 13769 | 0.3 % | |
 | Windows NT | 345 | 0 % | |
 | Windows ME | 208 | 0 % | |
 | Windows Vista (LongHorn) | 170504 | 4.5 % | |
 | Windows Mobile | 132 | 0 % | |
 | Windows 98 | 175 | 0 % | |
 | Windows 95 | 79 | 0 % | |
 | Windows 2008 | 1617448 | 43.2 % | |
 | Windows 2003 | 16668 | 0.4 % | |
 | Windows 2000 | 1859 | 0 % | |
 | Windows 3.xx | 6 | 0 % | |
| BSD | 32 | 0 % | ||
 | OpenBSD | 1 | 0 % | |
 | FreeBSD | 31 | 0 % | |
| Linux | 119146 | 3.1 % | ||
 | Ubuntu | 3209 | 0 % | |
 | Suse | 3 | 0 % | |
 | Red Hat | 102 | 0 % | |
 | Gentoo | 2 | 0 % | |
 | Fedora | 160 | 0 % | |
 | Debian | 58 | 0 % | |
 | Centos | 89 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 115523 | 3 % | |
| Macintosh | 822651 | 21.9 % | ||
 | Mac OS X | 822625 | 21.9 % | |
 | Mac OS | 26 | 0 % | |
| Others | 117504 | 3.1 % | ||
 | Unknown | 110905 | 2.9 % | |
 | Unknown Unix system | 3926 | 0.1 % | |
 | Symbian OS | 2347 | 0 % | |
 | Nintendo Wii | 126 | 0 % | |
 | Sun Solaris | 123 | 0 % | |
 | Sony PlayStation Portable | 56 | 0 % | |
 | RISC OS | 21 | 0 % | |