This was a bootable floppy disk from which you could run a network-aware version of MS-DOS, and to install, say, Windows 95, you would stick the floppy in your bare-metal system, turn the computer on, boot to DOS, and then manually (or automatically by launching a script) connect to the installation share on the network and run Setup.exe to begin the process of downloading the Windows installation files to the computer and running Setup on it to install Windows.

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