轉自 https://tecadmin.net/install-openssl-on-windows/html
OpenSSL is a full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols. It is licensed under an Apache-style license. This tutorial will help you to install OpenSSL on Windows operating systems.web
Download the latest OpenSSL windows installer from Official download page. The official download page link is given below:windows
http://slproweb.com/products/Win32OpenSSL.htmlui
Now run the OpenSSL installer on your system. The OpenSSL required Microsoft Visual C++ to be installed on your system. If your system doesn’t have Microsoft Visual C++ installed, the installer will show your message like:.net
Click Yes to download and install required Microsoft Visual C++ package on your system.3d
Then again run the OpenSSL installer and follow the wizard.htm
Now set the environment variables to function OpenSSL properly on your system. You are required to set OPENSSL_CONF and Path environment variables.blog
set OPENSSL_CONF=C:\OpenSSL-Win32\bin\openssl.cfg set Path=......Other Values here......;C:\OpenSSL-Win32\bin
Open a command prompt and type openssl to get OpenSSL prompt. Then run version command on OpenSSL proper to view installed OpenSSL version.