Windows Gumball OS

Windows Gumball OS (can called Windows Gumball 11 or Windows Gumball Server OS) is a consumer-oriented operating system developed by Microsoft as part of its Windows Gumball family of Microsoft Windows operating systems. 
The second operating system in the gumball line
it is the successor to Windows Gumball OS, and was released to manufacturing on May 15, 1981, and generally to retail on June 25, 1981. Like its predecessor, it is a hybrid 16-bit and 32-bit and 64-bit monolithic product with the boot stage based on MS-DOS and NT and everywhere.