mfc40s.lzh - MFC40.DLL & MSVCRT40.DLL for Japanese Windows 3.1 (577K)
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If you don't have Win32s, get this and install.
win32s.lzh - Win32s for Japanese Windows 3.1 (2.06M)
I guess you have already installed WinG...It's necessary for speedy games and graphics!!
wing.lzh - WinG for Japanese Windows 3.1,95,NT 3.x (501K)