| Versions | Hits | Percent | |
|---|
| Windows | 8,262,233 | 33.7 % | |
 | Windows XP | 2,502,849 | 10.2 % | 
|
 | Windows Vista | 155,824 | 0.6 % |
|
 | Windows (unknown version) | 473,095 | 1.9 % |
|
 | Windows NT | 192,153 | 0.7 % |
|
 | Windows ME | 3,743 | 0 % |
|
 | Windows Vista (LongHorn) | 405,188 | 1.6 % |
|
 | Windows Mobile | 47,599 | 0.1 % |
|
 | Windows 98 | 245,385 | 1 % |
|
 | Windows 95 | 32,242 | 0.1 % |
|
 | Windows 7 | 4,045,744 | 16.5 % |
|
 | Windows 2003 | 115,127 | 0.4 % |
|
 | Windows 2000 | 42,226 | 0.1 % |
|
 | Windows 3.xx | 1,058 | 0 % |
|
| BSD | 210,059 | 0.8 % | |
 | OpenBSD | 586 | 0 % |
|
 | NetBSD | 1,742 | 0 % |
|
 | FreeBSD | 207,731 | 0.8 % |
|
| Linux | 3,301,290 | 13.4 % | |
 | Zenwalk GNU Linux | 26 | 0 % |
|
 | Vine Linux | 1,507 | 0 % |
|
 | Ubuntu | 346,330 | 1.4 % |
|
 | Suse | 58,954 | 0.2 % |
|
 | Red Hat | 51,444 | 0.2 % |
|
 | PCLinuxOS | 19 | 0 % |
|
 | Mandriva (or Mandrake) | 10,053 | 0 % |
|
 | Gentoo | 2,624 | 0 % |
|
 | Fedora | 73,935 | 0.3 % |
|
 | Debian | 30,182 | 0.1 % |
|
 | Centos | 52,021 | 0.2 % |
|
 | ASPLinux | 17 | 0 % |
|
 | Google Android | 60,877 | 0.2 % |
|
 | GNU Linux (Unknown or unspecified distribution) | 2,613,301 | 10.6 % |
|
| Macintosh | 1,671,868 | 6.8 % | |
 | Mac OS X | 1,664,576 | 6.7 % |
|
 | Mac OS | 7,292 | 0 % |
|
| Others | 11,048,642 | 45.1 % | |
 | Unknown | 10,929,836 | 44.6 % |
|
 | Java Mobile | 32,597 | 0.1 % |
|
 | BeOS | 32,449 | 0.1 % |
|
 | Sun Solaris | 17,181 | 0 % |
|
 | Symbian OS | 12,677 | 0 % |
|
 | OS/2 | 9,239 | 0 % |
|
 | BlackBerry | 6,284 | 0 % |
|
 | Java | 4,166 | 0 % |
|
 | Unknown Unix system | 1,804 | 0 % |
|
 | Sony PlayStation | 830 | 0 % |
|
 | Aix | 543 | 0 % |
|
 | RISC OS | 337 | 0 % |
|
 | Nintendo Wii | 174 | 0 % |
|
 | iOS (iPhone/iPod/iPad/...) | 154 | 0 % |
|
 | HP UX | 95 | 0 % |
|
 | CP/M | 81 | 0 % |
|
 | Irix | 79 | 0 % |
|
 | QNX | 74 | 0 % |
|
 | Syllable | 17 | 0 % |
|
 | OSF Unix | 8 | 0 % |
|
 | AmigaOS | 8 | 0 % |
|
 | WebTV | 7 | 0 % |
|
 | Palm OS | 2 | 0 % |
|
|