Oberon System 3 for Windows
Oberon is both the name of a programming language and operating system developed at ETH Zürich.
ETH Oberon PlugIn Release 2.5 for use with Windows 95, Windows 98 and Windows NT. This version is an offspring of the "Spirit of Oberon" Windows version created by Hannes Marais.
Original source code was downloaded from ftp://ftp.inf.ethz.ch/pub/ETHOberon/Win95NT/
For more information visit page Oberon Compilers and Language reference material