>>>Microsoft Win32s version 1.30c is the latest version of the software that allows you to run Win32-based applications on Windows version 3.1 or Windows for Workgroups versions 3.1 and later. The Win32s upgrade is now available in the Microsoft Software Library (MSL) as Pw1118.exe.

NOTE: The Win32s upgrade appnote, Pw1118.exe was last updated on February 22, 1996. There are no plans to further update Win32s at this time. <<<


Here's the file:

ftp://ftp.microsoft.com/Softlib/MSLFILES/pw1118.exe