OpenSSL library guide for VS2017 # Read NOTES.WIN and NOTES.PERL # use Visual Studio native tools command prompt # use activeperl, install NASM assembler ppm install dmake # Win32 x86 set PATH=D:\NASM-32;%PATH% perl Configure VC-WIN32 --release --prefix=C:\Users\home\Downloads\openssl-1.1.0g\x86-build --openssldir=C:\Users\home\Downloads\openssl-1.1.0g\x86-install nmake nmake test # to rebuild nmake distclean