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1982–1985: Introducing Windows 1.0
all os from windows were created by bill gates owner and ceo of microsoft all window os are between 60 to 500 dollars -
1987–1992: Windows 2.0–2.11—More windows, more speed
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1990–1994: Windows 3.0–Windows NT—Getting the graphics
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1995–2001: Windows 95—the PC comes of age (and don't forget the Internet)
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1998–2000: Windows 98, Windows 2000, Windows Me
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2001–2005: Windows XP—Stable, usable, and fast
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2006–2008: Windows Vista—Smart on security
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2009–Today: Windows 7 and counting...