The booting process of Microsoft Windows varies between different releases.

DOS-based Windows

Windows 1.x/2.x

In Windows versions 1.01 to Windows 2.11, the system is loaded when WIN.COM is executed within MS-DOS. It then loads WIN100.BIN or WIN200.BIN and WIN100.OVL or WIN200.OVL, along with the configuration settings file WIN.INI.

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