GMMTM's OSM Episode 15

OS Mockups #15 is a 15th episode of GMM's Operating System Mockups series. It was released on December 31, 2022.
== List of Mockups ==
* BreezeOS 1.00 (1988)
* BreezeOS 2 (1991)
* Hulett Version 1.0 (1993)
* Windows Codename Columbus (June 1998)
* Windows Atlas 97 (1996)
* Windows Atlas 2000 (2000)
* Windows Codename Spokane (1998)
* Windows Blackshift (2006)
* Windows Life (2006)
* Windows Life 2.0 (2007)
* Windows Life 3.0 (2008)
* Windows Life 3.0HD (2008)
* Verizon Contour 2006 (2006)
* Verizon Contour 2007 (2007)
* Windows Daydreamer (1999)
* Windows Codename: Gemstone (2000)
* Windows Codename Osteo (1991)
* Windows Tablet (2007)
* Windows Tablet 2 (2009)
* Windows XP Live (200x)
* Windows XP Code Name Serenity (2003)
* Windows Northwood (2002)
* Windows Gallatin (2003)
* Windows Project Polaradox (2005)
* Windows Project Entourage (200x)
* Windows Halley (201x)
* Windows XP (Prime?) (2012)
Category:OSM videos
Category:OSM videos created in 2022
Category:OSM videos created by GMMTM