The Xbox is a home video game console manufactured by Microsoft that is the first installment in the Xbox series of video game consoles. It was released as Microsoft's first foray into the gaming console market on November 15, 2001, in North America, followed by Australia, Europe and Japan in 2002. It is classified as a sixth-generation console, competing with Sony's PlayStation 2 and Nintendo's GameCube. It was also the first major console produced by an American company since the release of the Atari Jaguar in 1993.

In the history of video games, the sixth generation era is the era of computer and video games, video game consoles, and handheld gaming devices available at the turn of the 21st century, starting on November 27, 1998. Platforms in the sixth generation include consoles from four companies: the Sega Dreamcast (DC), Sony PlayStation 2 (PS2), Nintendo GameCube (GC), and Microsoft Xbox. This era began on November 27, 1998, with the Japanese release of the Dreamcast, which was joined by the PlayStation 2 on March 4, 2000, the GameCube on September 14, 2001 and the Xbox on November 15, 2001, respectively. On March 31, 2001, the Dreamcast was among the first to be discontinued. Xbox in 2006, GameCube in 2007 and PlayStation 2 was the last, in January 2013. Meanwhile, the seventh generation of consoles started on November 22, 2005, with the launch of the Xbox 360.