64bits 1)VS2013 x64 Native Tools Command Prompt 2)perl Configure VC-WIN64A --perfix=D:\OpenSSL\x64 3)ms\do_win64a 4)nmake -f ms\ntdll.mak 5)nmake -f ms\ntdll.mak test 6)nmake -f ms\ntdll.mak install 32bits 1)VS2013 x86 Native Tools Command Prompt 2)perl Configure VC-WIN32 --perfix="D:\OpenSSL\x32" 3)ms\do_ms 4)nmake -f ms\ntdll.mak 5)nmake -f ms\ntdll.mak test 6)nmake -f ms\ntdll.mak install