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1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                   
   
   
                   
                     
   Windows for Workgroups
   WFW
   WFWG
      <operating system> (WFW, WFWG) A version of Windows 3.1 that
      worked with a network.  Although stand-alone 3.1 could be
      networked, the installation and configuration was much
      improved with Windows for Workgroups.  The first release was
      Windows for Workgroups 3.1.
      (1996-07-08)