How to install OpenSSL in windows 10

Question

I have a question about how and what is the version of OpenSSl that I must install in Windows to later create certificates  Install a one version  openssl-1 0 2d-fips-2 0 10  found in SourceForge but it does not generate the files correctly  There is also the official website https   www openssl org  but I do not know how to install it and how  so that when it comes to generating the keys and  pem file  it works  Generate some environment variables that point to the folder where I unzipped the downloaded  I do not know if it is the correct way

User · Answer

Either set the openssl present in Git as your default openssl and include that into your path in environmental variables (quick way)

OR

Install the system-specific openssl from this link.
set the following variable : set OPENSSL_CONF=LOCATION_OF_SSL_INSTALL\bin\openssl.cfg
Update the path : set Path=...Other Values here...;LOCATION_OF_SSL_INSTALL\bin

User · Answer

I recently needed to document how to get a version of it installed  so I ve copied my steps here  as the other answers were using different sources from what I recommend  which is Cygwin   I like Cygwin because it is well maintained and provides a wealth of other utilities for Windows  Cygwin also allows you to easily update the versions as needed when vulnerabilities are fixed   Please update your version of OpenSSL often  Open a Windows Command prompt and check to see if you have OpenSSL installed by entering  openssl version If you get an error message that the command is NOT recognized  then install OpenSSL by referring to Cygwin following the summary steps below  Basically  download and run the Cygwin Windows Setup App to install and to update as needed the OpenSSL application   Select an install directory  such as C  cygwin64   Choose a download mirror such as  http   mirror cs vt edu Enter in openssl into the search and select it  You can also select un-select other items of interest at this time  The click Next twice then click Finish  After installing  you need to edit the PATH variable  On Windows  you can access the System Control Center by pressing  Windows Key   Pause  In the System window  click  Advanced System Settings   Advanced  tab    Environment Variables  For Windows 10  a quick access is to enter  quot Edit the system environment variables quot  in the Start Search of Windows and click the button  quot Environment Variables quot   Change the PATH variable  double-click on it or Select and  Edit   and add the path where your Cywgwin is  e g   C  cygwin bin  Verify you have it installed via a new Command Prompt window  openssl version  For example  C  Program Files mosquitto gt openssl versionOpenSSL 1 1 1f  31 Mar 2020  If not  refer to the Cygwin  documentation and also other tutorials such as  https   www eclipse org 4diac documentation html installation cygwin html

User · Answer

In case you have Git installed  you can open the Git Bash  shift pressed   right click in the folder - gt  Git Bash Here  and use openssl command right in the Bash

User · Answer

Necroposting  but might be useful for others  There s always the official page   OpenSSL Wiki   Binaries which contains useful URLs  I also want to mention   GitHub   CristiFati Prebuilt-Binaries - Prebuilt-Binaries OpenSSL  v1 0 2u is built with OpenSSL-FIPS 2 0 16 Artefacts are  zips that should be unpacked in  quot C  Program Files quot   please take a look at the Readme md file  and also at the one at the repository root

User · Answer

Check openssl tool which is a collection of Openssl from the LibreSSL project and Cygwin libraries  2 5 MB   NB  We re the packager  One liner to create a self signed certificate  openssl req -x509 -nodes -days 365 -newkey rsa 2048 -keyout selfsigned key -out selfsigned crt

User · Answer

you can get it from here https   slproweb com products Win32OpenSSL html Supported and reqognized by https   wiki openssl org index php Binaries

User · Answer

If you have chocolatey installed you can install openssl via a single command i e  choco install openssl

User · Answer

You can install openssl using one single line if you have chocolatey installed  open command in admin mode type choco install openssl

User · Answer

I also wanted to create OPEN SSL for Windows 10  An easy way of getting it done without running into a risk of installing unknown software from 3rd party websites and risking entries of viruses  is by using the openssl exe that comes inside your Git for Windows installation  In my case  I found the open SSL in the following location of Git for Windows Installation   C  Program Files Git usr bin openssl exe  If you also want instructions on how to use OPENSSL to generate and use Certificates  Here is a write-up on my blog  The step by step instructions first explains how to use Microsoft Windows Default Tool and also OPEN SSL and explains the difference between them   http   kaushikghosh12 blogspot com 2016 08 self-signed-certificates-with-microsoft html

[ssl] How to install OpenSSL in windows 10?

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