It was originally going to be called "Interface Manager" but Rowland Hanson, the head of marketing at Microsoft, convinced the company that the name Windows would be more appealing to consumers.
The second release of Microsoft Windows, version 2.0, came out on 9 December 1987, and used the real-mode memory model, which confined it to a maximum of 1 megabyte of memory.
In such a configuration, it could run under another multitasking system like DESQview, which used the 286 Protected Mode.
In 1999, Microsoft released Windows 98 Second Edition, an interim release whose notable features were the addition of Internet Connection Sharing and improved WDM audio and modem support.
Internet Connection Sharing is a form of network address translation, allowing several machines on a LAN (Local Area Network) to share a single Internet connection.
Microsoft developed Windows 3.1, which included several minor improvements to Windows 3.0, but primarily consisted of bugfixes and multimedia support.
It also excluded support for Real mode, and only ran on an 80286 or better processor.The main architect of the system was Dave Cutler, one of the chief architects of VMS at Digital Equipment Corporation (later purchased by Compaq, now part of Hewlett-Packard).its intentions to develop a successor to both Windows NT and Windows 3.1's replacement (Windows 95, code-named Chicago), which would unify the two into one operating system. In hindsight, Cairo was a much more difficult project than Microsoft had anticipated and, as a result, NT and Chicago would not be unified until Windows XP.Many minor problems present in the original Windows 98 were found and fixed which make it, according to many, the most stable release of Windows 9x family—to the extent that commentators used to say that Windows 98's beta version was more stable than Windows 95's final (gamma) version.In September 2000, Microsoft introduced Windows ME (Millennium Edition), which upgraded Windows 98 with enhanced multimedia and Internet features.Windows 9x is a generic term referring to a series of Microsoft Windows computer operating systems produced from 1995 to 2000, which were based on the Windows 95 kernel and its underlying foundation of MS-DOS, Internal release versions for versions of Windows 9x are 4.x.