| Versions | Hits | Percent | |
|---|
| Windows | 8,798,745 | 37.2 % | |
 | Windows XP | 5,116,598 | 21.6 % | 
|
 | Microsoft XBOX | 1 | 0 % |
|
 | Windows Vista | 50 | 0 % |
|
 | Windows (unknown version) | 127,264 | 0.5 % |
|
 | Windows NT | 359,109 | 1.5 % |
|
 | Windows ME | 5,115 | 0 % |
|
 | Windows Vista (LongHorn) | 1,125,322 | 4.7 % |
|
 | Windows Mobile | 1,749 | 0 % |
|
 | Windows 98 | 94,877 | 0.4 % |
|
 | Windows 95 | 127,441 | 0.5 % |
|
 | Windows 2008 | 1,524,793 | 6.4 % |
|
 | Windows 2003 | 200,773 | 0.8 % |
|
 | Windows 2000 | 114,654 | 0.4 % |
|
 | Windows 3.xx | 999 | 0 % |
|
| BSD | 16,216 | 0 % | |
 | OpenBSD | 1,261 | 0 % |
|
 | NetBSD | 1,820 | 0 % |
|
 | FreeBSD | 13,135 | 0 % |
|
| Linux | 2,664,038 | 11.2 % | |
 | Zenwalk GNU Linux | 721 | 0 % |
|
 | White Box Linux | 2 | 0 % |
|
 | Vine Linux | 3,057 | 0 % |
|
 | VectorLinux | 124 | 0 % |
|
 | Ubuntu | 1,070,861 | 4.5 % |
|
 | Suse | 241,684 | 1 % |
|
 | Red Hat | 117,753 | 0.4 % |
|
 | PCLinuxOS | 616 | 0 % |
|
 | Momonga Linux | 231 | 0 % |
|
 | Mandriva (or Mandrake) | 33,895 | 0.1 % |
|
 | Gentoo | 33,319 | 0.1 % |
|
 | Fedora | 241,212 | 1 % |
|
 | Debian | 113,162 | 0.4 % |
|
 | Centos | 81,058 | 0.3 % |
|
 | ASPLinux | 12 | 0 % |
|
 | Google Android | 6,259 | 0 % |
|
 | GNU Linux (Unknown or unspecified distribution) | 720,072 | 3 % |
|
| Macintosh | 1,046,336 | 4.4 % | |
 | Mac OS X | 1,023,557 | 4.3 % |
|
 | Mac OS | 22,779 | 0 % |
|
| Others | 11,064,359 | 46.9 % | |
 | Unknown | 11,011,950 | 46.6 % |
|
 | Sun Solaris | 28,721 | 0.1 % |
|
 | Java Mobile | 11,529 | 0 % |
|
 | Symbian OS | 4,137 | 0 % |
|
 | BlackBerry | 2,402 | 0 % |
|
 | Unknown Unix system | 1,314 | 0 % |
|
 | Java | 1,183 | 0 % |
|
 | Sony PlayStation | 1,111 | 0 % |
|
 | Irix | 438 | 0 % |
|
 | CP/M | 402 | 0 % |
|
 | HP UX | 375 | 0 % |
|
 | Nintendo Wii | 201 | 0 % |
|
 | OS/2 | 188 | 0 % |
|
 | BeOS | 96 | 0 % |
|
 | RISC OS | 74 | 0 % |
|
 | Aix | 71 | 0 % |
|
 | OSF Unix | 64 | 0 % |
|
 | QNX | 63 | 0 % |
|
 | AmigaOS | 25 | 0 % |
|
 | VMS | 5 | 0 % |
|
 | iphone | 4 | 0 % |
|
 | WebTV | 2 | 0 % |
|
 | Dreamcast | 1 | 0 % |
|
 | Commodore 64 | 1 | 0 % |
|
 | Inferno | 1 | 0 % |
|
 | Atari | 1 | 0 % |
|
|