| Windows Defender | Windows Defender |
| Windows Fundamentals for Legacy PCs | Windows Fundamentals for Legacy PCs |
| Windows Home Server | Windows Home Server |
| Windows Live Hotmail | Hotmail |
| Windows Live ID | Microsoft Passport Network |
| Windows Live Mail | Hotmail |
| Windows Live Mail Desktop | Hotmail |
| Windows Mail | Windows Mail |
| Windows Me | Windows Me |
| Windows Media Audio | WMA |
| Windows Media Video | Windows Media Video |
| Windows Mobile | Windows Mobile |
| Windows NT | Windows NT |
| Windows Sidebar | Windows Sidpanel |
| Windows Update | Microsoft Update |
| Windows Vienna | Windows Vienna |
| Windows Vista | Windows Vista |
| Windows XP | Windows XP |
| Windows XP Embedded | Windows XP Embedded |
| Wine | Wine |
| Wing Chun | Wing Chun |
| Wing Tsun | Wing Tsun |
| Winnebago | Winnebago |
| Winnie Pooh y el pequeño Efelante | Puhs film om Heffaklumpen |
| Winnie the Pooh | Nalle Puh |
| Winnipeg | Winnipeg |
| Winona Ryder | Winona Ryder |
| Winston Churchill | Winston Churchill |
| Winston Giles | Winston Giles |
| Winston Giles Orchestra | The Winston Giles Orchestra |
| Winston-Salem | Winston-Salem |
| Winterthur | Winterthur |
| Winx Club | Winx Club |
| WinZip | WinZip |
| Wir sind Helden | Wir sind Helden |
| Wired | Wired magazine |
| Wired Equivalent Privacy | Wired Equivalent Privacy |
| Wireless Application Protocol | WAP |
| Wireshark | Ethereal |
| Wisconsin | Wisconsin |
| Wisen | Wiesen |
| Wish | Lust -en |
| Wismar | Wismar |
| Wisła Cracovia | Wisła Kraków |
| Wisława Szymborska | Wisława Szymborska |
| Witenagemot | Witenagemot |
| With Or Without You | With or Without You |
| With the Beatles | With the Beatles |
| With the Lights Out | With The Lights Out |
| Within Temptation | Within Temptation |
