From Microsoft Windows

Yahay! Interface Manager 1 (1972-1977)

Microsoft Yahay! Operating System Version 1 (1978-1983)

Microsoft Yahay! Operating System Version 2 (1984-1989)

Microsoft Yahay! Operating System Version 3 (1990-1993)

Yahay! Operating System Version 4 (1994-1998)

YahayOS Operating System Version 5 (1998-2000)

YahayOS 2000 (2000)

YahayOS ME (2000-2004)

YahayOS Version 6 (2004-2009)

YahayOS 7 (2009-2012)

YahayOS 8 (2012-2013)

YahayOS 8.1 (2013-2014)

YahayOS 9 (2014-2015)

YahayOS X (2015-2020)

YahayOS X.1 (2017)

YahayOS X.2 (2019)

YahayOS X.3 (2020)

YahayOS 11 (2021-2023)

YahayOS Aetheris City (2023)

YahayOS 11.1 (2023-helden)