Install the most commonly used essentials of OpenSSL - a robust, commercial-grade, full-featured toolkit for general-purpose cryptography and secure communication.
Publisher’s description
What is OpenSSL Light?
OpenSSL Light by Shining Light Productions is free Windows software.
Installation and requirements
The publisher provides EXE (Inno Setup) and MSI installers for 64-bit, ARM64 and 32-bit Windows. The main installer is 6.0 MB. Installation asks for administrator rights. A silent install is possible with the installer’s documented switches. An MSI package is available for deployment with Group Policy, Intune or Configuration Manager.
Updates and version history
The current version is 4.1.0, released on October 23, 2026. The version history goes back to October 8, 2025: 8 releases, all linked to the official files. That is about 7.7 releases a year. The last update is less than a month old.
Pros / Cons
Pros
- Free to use
- Native ARM64 build for Windows on Arm
- MSI package for managed deployment
- Documented silent install
- Frequent updates (about 7.7 a year)
- Small download (6.0 MB)
Cons
- Installation needs administrator rights
In short: OpenSSL Light is a free Windows tool for 64-bit, ARM64 and 32-bit PCs. It is actively maintained. Administrators can deploy it unattended.
Is OpenSSL Light safe to download?
- The file is served by slproweb.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
7D1D4022EEA9B89C5C6B691B01145F2E0F69AEAF6668635C8010A5F3F1C8C25D· Open the VirusTotal report for this hash - The link answered when we last checked it (October 26, 2026)
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 8 versions ›8 versions over 1 year · about 7.7 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 4.1.0Latest | October 23, 2026 | 7.2 MB | 64-bit MSIARM64 EXE (Inno Setup)ARM64 MSI32-bit EXE (Inno Setup) |
| 4.0.3 | September 29, 2026 | 7.0 MB | ARM64 MSI32-bit EXE (Inno Setup)ARM64 EXE (Inno Setup)64-bit MSI |
| 4.0.2 | August 25, 2026 | — | 64-bit MSIARM64 EXE (Inno Setup)32-bit EXE (Inno Setup)32-bit MSI |
| 4.0.1 | June 10, 2026 | — | ARM64 MSI64-bit EXE (Inno Setup)ARM64 EXE (Inno Setup)32-bit MSI |
| 4.0.0 | April 17, 2026 | — | ARM64 EXE (Inno Setup)ARM64 MSI32-bit MSI64-bit EXE (Inno Setup) |
| 3.6.2 | April 9, 2026 | — | 32-bit MSI32-bit EXE (Inno Setup)ARM64 MSI64-bit EXE (Inno Setup) |
| 3.6.1 | January 28, 2026 | — | 32-bit MSI32-bit EXE (Inno Setup)64-bit EXE (Inno Setup)ARM64 MSI |
| 3.6.0 | October 8, 2025 | — | ARM64 MSIARM64 EXE (Inno Setup)32-bit EXE (Inno Setup)32-bit MSI |
Release cycle and support
| Release line | Released | Support ends | Latest version | Status |
|---|---|---|---|---|
| 4.0 | April 14, 2026 | May 14, 2027 | 4.0.3 | Supported |
| 3.6 | October 1, 2025 | November 1, 2026 | 3.6.5 | Supported |
| 3.5 (LTS)LTS | April 8, 2025 | April 8, 2030 | 3.5.9 | Supported |
| 3.4 | October 22, 2024 | October 22, 2026 | 3.4.8 | End of life |
| 3.3 | April 9, 2024 | April 9, 2026 | 3.3.7 | End of life |
| 3.2 | November 23, 2023 | November 23, 2025 | 3.2.6 | End of life |
| 3.1 | March 14, 2023 | March 14, 2025 | 3.1.8 | End of life |
| 3.0 (LTS)LTS | September 7, 2021 | September 7, 2026 | 3.0.22 | End of life |
Install from the command line
Silent install ›winget install --id ShiningLight.OpenSSL.Light -escoop install main/openssl-lightWin64OpenSSL_Light-4_1_0.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Program files (.exe): openssl.exe
Related guide: How to use winget: install and update apps
Information
- Publisher
- Shining Light Productions
- Licence
- Freeware
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 64-bit, ARM64, 32-bit
- Installer
- EXE (Inno Setup), MSI
- Version
- 4.1.0
- Released
- October 23, 2026
- Added to the catalogue
- October 8, 2025
- Versions listed
- 8
- Updates / year
- 7.7
- Website
- slproweb.com
- winget ID
- ShiningLight.OpenSSL.Light
- Scoop package
- main/openssl-light
- MSI product code
- {E893868D-BBA6-4815-900E-A50D7B3BAE79}
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is OpenSSL Light free?
Yes. OpenSSL Light is free to use.
Is OpenSSL Light safe to download?
The download comes from slproweb.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install OpenSSL Light with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can OpenSSL Light be installed silently?
Yes. The silent install page lists the exact command for each installer, including msiexec for the MSI package.
Does OpenSSL Light run on ARM (Windows on Arm)?
Yes, there is a native ARM64 installer.
Where can I download an older version of OpenSSL Light?
The versions page lists all 8 versions with links to their official installer files, back to October 8, 2025.