The First Version of Microsoft Windows, Windows 1.0, with simple applications and the concept of multitasking on PC
The Second Version of Windows, Windows 2.0 with some fixes and the Control Panel.
The Second Version of Windows with some additions, and some fixes, Windows 2.1, the Paint software is seen in this one!
The Third Version of Windows, Windows 3.0, featuring the File Manager and Program Manager, replacing the old MS DOS based File and Program Managers.
The later released upgraded version of Windows 3.0, which had support for 32-bit Disk Access, Personalization options and had the Minesweeper game for the first time.