How to download and install OpenSSL on Windows

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To download and install OpenSSL on Windows:

  1. Go to
  2. Click on the setup link next to the download option "Complete package, except sources"
  3. Go to your Downloads folder and run the file openssl-<version>-setup
  4. Use all of the default options in the installer


One thing that is a little tricky at first is in Windows, we are used to using GUIs. OpenSSL is a command line program. Here is a simple example of how to use the OpenSSL command line on Windows:

Change to the directory that contains the openssl.exe program:

cd "C:\program files\gnuwin32\bin\"


Start OpenSSL:



Display the current version of OpenSSL:

OpenSSL> version
OpenSSL 0.9.8h 28 May 2008


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