Microsoft TCP/IP for Windows for Workgroups
The Microsoft TCP/IP for Windows for Workgroups (WFWTCP.EXE) includes the NDIS 2 protocol stack to support connecting computers running Windows for Workgroups together or computers running Windows for Workgroups to Windows NT and Windows NT Advanced Server using the TCP/IP protocol. Microsoft TCP/IP for Windows for Workgroups does not include any TCP/IP utilities; however, support for the Windows Sockets Interface is provided, which allows any Windows Sockets-compatible TCP/IP utility (including terminal emulators and file transfer software) to be used. 

NOTE: See the READTCP!.TXT file for initial installation instructions and the included MSTCPIP.HLP file for detailed installation instructions with Windows for Workgroups 3.11.