| Versioni | Accessi | Percentuale | ||
|---|---|---|---|---|
| BSD | 9 | 0 % | ||
 | OpenBSD | 2 | 0 % |  |
 | FreeBSD | 7 | 0 % | |
| Linux | 1127150 | 13.1 % | ||
 | Ubuntu | 3502 | 0 % | |
 | Suse | 107 | 0 % | |
 | Red Hat | 1 | 0 % | |
 | Mandriva (or Mandrake) | 116 | 0 % | |
 | 3 | 0 % | | |
 | Fedora | 126 | 0 % | |
 | Debian | 7 | 0 % | |
 | Centos | 2 | 0 % | |
 | GNU Linux (Unknown or unspecified distribution) | 1123286 | 13.1 % | |
| Macintosh | 802430 | 9.3 % | ||
 | Mac OS X | 802426 | 9.3 % | |
 | Mac OS | 4 | 0 % | |
| Windows | 6400475 | 74.6 % | ||
 | Windows XP | 2244770 | 26.1 % | |
 | 540556 | 6.3 % | | |
 | 57012 | 0.6 % | | |
 | Windows NT | 1264 | 0 % | |
 | Windows Me | 272 | 0 % | |
 | Windows Vista | 229123 | 2.6 % | |
 | Windows CE | 46 | 0 % | |
 | Windows 98 | 215 | 0 % | |
 | Windows 95 | 3 | 0 % | |
 | 3307987 | 38.5 % | | |
 | Windows 2003 | 9723 | 0.1 % | |
 | Windows 2000 | 9470 | 0.1 % | |
 | Windows 3.xx | 34 | 0 % | |
| Altri | 242289 | 2.8 % | ||
 | Sconosciuti | 238796 | 2.7 % | |
 | Symbian OS | 3091 | 0 % | |
 | Unknown Unix system | 360 | 0 % | |
 | wii | 34 | 0 % | |
 | Sun Solaris | 3 | 0 % | |
 | AmigaOS | 2 | 0 % | |
 | OSF Unix | 1 | 0 % | |
 | OS/2 | 1 | 0 % | |
 | RISC OS | 1 | 0 % | |