OpenSSL - Installation under Windows (2024)

In some situations, it can be useful to generate a CSR using OpenSSL. This manual describes the installation of OpenSSL under Windows.

  1. Download theOpenSSL for Windows installation package.
  2. Double-click the installation file.
  3. If the following error message appears, you should install Microsoft Visual C++ 2008 Redistributables. The installation file can be downloaded here.OpenSSL - Installation under Windows (1)
  4. Double-click the installation file and click on NextOpenSSL - Installation under Windows (2)
  5. Click on I accept the agreement, followed by Next.OpenSSL - Installation under Windows (3)
  6. Leave the default installation path (C:\OpenSSL-Win32) and click on Next.OpenSSL - Installation under Windows (4)
  7. Leave the default Startmenu folder(OpenSSL) and click on Next.OpenSSL - Installation under Windows (5)
  8. Leave the The Windows system directory and click on Next.OpenSSL - Installation under Windows (6)
  9. Click on Install.OpenSSL - Installation under Windows (7)
  10. Click on Finish once the installation has been completed.

OpenSSL for Windows has now been installed and can be found as OpenSSL.exe in C:\OpenSSL-Win32\bin\. Always open the program as Administrator.
Note: The following error message might appear when running OpenSSL:

WARNING: can't open config file: /usr/local/ssl/openssl.cnf

This can be solved as following:

  1. Close OpenSSL.
  2. Open a Command Prompt (CMD) as Administrator
  3. Run the following command: SET OPENSSL_CONF=C:\OpenSSL-Win32\bin\openssl.cfg
  4. Reboot the computer.
OpenSSL - Installation under Windows (2024)

FAQs

How to install OpenSSL on Windows? ›

Step-by-Step Guide to Install OpenSSL on Windows
  1. Download OpenSSL. Go to the official OpenSSL website and download the latest version of OpenSSL for Win. ...
  2. Run the Installer. ...
  3. Installation Wizard. ...
  4. Copy DLLs to the Windows System Directory. ...
  5. Customize Installation (Optional) ...
  6. Complete the Installation. ...
  7. Set Environment Variables.
Jan 31, 2024

Where is the OpenSSL installation path in Windows? ›

Leave the default installation path (C:\OpenSSL-Win32) and click on Next. Leave the default Startmenu folder(OpenSSL) and click on Next. Leave the The Windows system directory and click on Next. Click on Install.

How to install OpenSSL in Windows using PowerShell? ›

To install for the current user, start a PowerShell session and run: PS> Install-Module -Name OpenSSL -Scope CurrentUser. To install for all users, start a PowerShell session, with admin privileges, and run: PS> Install-Module -Name OpenSSL -Scope AllUsers.

How to install OpenSSL 3.0 on Windows 11? ›

How To Install OpenSSL On The Windows Platform?
  1. Download OpenSSL Installer. ...
  2. Run the OpenSSL Installer. ...
  3. Installation in progress…….
  4. Finish OpenSSL Installation. ...
  5. Set Environment Variable. ...
  6. Verify the Installation.
Dec 4, 2023

Is OpenSSL installed on Windows by default? ›

Installing OpenSSL on Windows

This tutorial is mostly for Windows 10 users, since OpenSSL does not ship with Windows 10 by default. OpenSSL can be installed with Chocolatey, which can be easily deployed in an organization or installed for a single user. It is also be a great tool for patch management.

How to tell if OpenSSL is installed on Windows? ›

Check the OpenSSL Version in Windows
  1. Access Command Prompt: Press Win + R, type “cmd,” and hit Enter to open the Command Prompt.
  2. Check OpenSSL Version: In the Command Prompt, enter: openssl version -a.
  3. The prompt will reveal the installed OpenSSL version on your Windows system.
May 29, 2024

How do I install OpenSSL on Windows medium? ›

Installing OpenSSL on Windows

Visit the OpenSSL Windows binaries page. Download the appropriate installer for your Windows version (Win32/Win64). Double-click the downloaded executable file. Follow the installation prompts and accept the defaults.

How do I check if OpenSSL is installed in PowerShell? ›

Expert-Verified Answer

To check the OpenSSL version in Windows, you can use the Command Prompt or PowerShell. In Command Prompt, type 'openssl version'. In PowerShell, run 'Get-Command openssl'. To check the OpenSSL version in Windows, you can use the Command Prompt.

How to build OpenSSL on Windows 64? ›

Compiling x64:
  1. Open x64 Native Tools Command Prompt.
  2. perl Configure VC-WIN64A --prefix=e:\projects\bin\OpenSSL\vc-win64a --openssldir=e:\projects\bin\OpenSSL\SSL.
  3. nmake.
  4. nmake test.
  5. nmake install.
Oct 1, 2008

How do I install SSL certificate on Windows 11? ›

Install the certificate into the “Trusted Root Certification Authorities” by double clicking on the certificate in the ssl. crt folder and selecting “install” for the local computer and browsing to find the Trusted Root folder when asked where you want to store the certificate.

How to install OpenSSL specific version? ›

Ubuntu 20.04 LTS
  1. sudo apt-get update && sudo apt-get upgrade. sudo apt install build-essential checkinstall zlib1g-dev -y.
  2. cd /usr/local/src/ wget https://www. openssl. org/source/openssl-1.1.1k. tar. ...
  3. cd /etc/ld. so. conf. d/ ...
  4. mv /usr/bin/c_rehash /usr/bin/c_rehash. BEKUP. mv /usr/bin/openssl /usr/bin/openssl. BEKUP.

How to generate OpenSSL certificate in Windows? ›

Introduction
  1. Step 1: Install and run OpenSSL. ...
  2. Step 2: Generate the root private key. ...
  3. Step 3: Create a self-signed certificate. ...
  4. Step 4: Install the root certificate on the workstation(s) ...
  5. Step 5: Create a private key. ...
  6. Step 6: Generate the certificate signing request. ...
  7. Step 7: Upload the certificates to your Teramind server.

How to build OpenSSL on Windows 10? ›

Build and Configure OpenSSL on Windows
  1. Prerequisites. Make sure that you have installed all necessary tools as mentioned on the OpenSSL web page. ...
  2. Configure: OpenSSL for 32 bits (this is done implicitly by the compiler you have selected) ...
  3. Run the build. make.
  4. (Optional) - Test results. make test.

How to install SSL certificate using OpenSSL? ›

How to Install and Configure Your SSL Certificate
  1. Primary and intermediate certificates. You should've received a your_domain_name. ...
  2. Copy the certificate files to your server. ...
  3. Concatenate the primary and intermediate certificates. ...
  4. Edit the Nginx virtual hosts file. ...
  5. Restart Nginx. ...
  6. Congratulations!

How to install SSL certificate in Windows? ›

In the left pane of the console, double-click Certificates (Local Computer). Right-click Personal, point to All Tasks, and then select Import. On the Welcome to the Certificate Import Wizard page, select Next. On the File to Import page, select Browse, locate your certificate file, and then select Next.

How to generate OpenSSL key in Windows? ›

In Windows:
  1. Open the Command Prompt (Start > Programs > Accessories > Command Prompt).
  2. Navigate to the following folder: C:\Program Files\ListManager\tclweb\bin\certs.
  3. Type the following: openssl genrsa -out rsa.private 1024.
  4. Press ENTER. The private key is generated and saved in a file named "rsa.

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