Answer:
Windows ME
Step-by-step explanation:
In the word Windows Me, Me stands for Milleneum. It is GUI based OS developed by Microsoft Corporation. This is the first Home computer OS and it had IE 5.5, WMP version 7, etc.
But this was not that much successful and this was the last OS released for Windows 9X series. Though its GUI based, it still looks like DOS OS only.
The successor of this is Windows XP which became very popular and it was used by many computer users and it included windows NT Kernel.