Windows Vista is an operating system released in several variations developed by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs, and media center PCs. Prior to its announcement on July 22, 2005, Windows Vista was known by its codename "Longhorn". Development was completed on November 8, 2006, and over the following three months, it was released in stages to computer hardware and software manufacturers, business customers and retail channels. On January 30, 2007, it was released worldwide and was made available for purchase and download from Microsoft's website. The release of Windows Vista came more than five years after the introduction of its predecessor, Windows XP, the longest time span between successive releases of Microsoft Windows desktop operating systems. It was succeeded by Windows 7, which was released to manufacturing on July 22, 2009 and released worldwide for retail on October 22, 2009.

Windows Vista (spanisch, italienisch für „Aussicht, Ausblick“, ursprünglich vom Lateinischen videre, „sehen“) wurde am 30. Januar 2007 veröffentlicht und war bis zur Veröffentlichung von Windows 7 am 22. Oktober 2009 das aktuelle Betriebssystem von Microsoft.

Microsoft Windows Vista est la version la plus récente de Microsoft Windows, une gamme de systèmes d'exploitation graphiques qui s'utilise autant sur les ordinateurs personnels que professionnels. Avant l'annonce officielle de son nom définitif le , il avait comme nom de code Longhorn.

Windows Vista är ett operativsystem för persondatorer som lanserades officiellt den 30 november 2006 och 30 januari 2007 för privatpersoner. Windows Vista utvecklades under arbetsnamnet Longhorn åren 2001-2005.

Microsoft Windows Vista (Windows NT 6.0) to najnowsza edycja systemu Windows firmy Microsoft (do 22 lipca 2005 znany był jedynie pod nazwą kodową Longhorn). Następca systemu Windows XP. Hasło reklamowe systemu to Clear Confident Connected, czyli Przejrzysty Pewny Połączony. Zgodnie z najnowszymi danymi statystycznymi, zainstalowany na co dziesiątym komputerze.