Download cygwin. The version of cygwin must as same as python.(exp: Although your OS is Win7 x64, you still should download 32 bit cygwin because your python is 32 bit).
link: https://www.cygwin.com/
Install cygwin.
Enter the path of cygwin and copy cygwin1.dll/cyggcc_s-1.dll/cygmagic-1.dll/cygz.dll to C:\Windows\SysWOW64.