Silent install command for OpenSSL Light LTS 3.5.6

The exact silent switches the OpenSSL Light LTS installer accepts, plus a one-line command you can paste into a script, Intune Win32 app, or Configuration Manager package.

One-line silent install (x64, machine scope)

Win64OpenSSL_Light-3_5_6.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART

Run from the directory containing Win64OpenSSL_Light-3_5_6.exe. Download the installer from the Direct link below first. Run an elevated terminal (Run as Administrator) for machine-scope installs.

Architecture	Scope	Type	Source
x64	machine	EXE Inno Setup	Default for Inno Setup
x64	machine	MSI WiX	Default for WiX (MSI)
arm64	machine	EXE Inno Setup	Default for Inno Setup
arm64	machine	MSI WiX	Default for WiX (MSI)
x86	machine	EXE Inno Setup	Default for Inno Setup
x86	machine	MSI WiX	Default for WiX (MSI)

Declared by publisher means the switches come straight from the winget manifest the publisher (or community maintainer) submitted to microsoft/winget-pkgs.
Default for {type} means the manifest doesn't specify silent switches, so the framework's standard switches are shown (e.g. /S for NSIS, /quiet /norestart for MSI).

Frequently asked questions

What is the silent install command for OpenSSL Light LTS?

OpenSSL Light LTS uses EXE (Inno Setup). After downloading the installer, run: Win64OpenSSL_Light-3_5_6.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART. The silent install switches are /VERYSILENT /SUPPRESSMSGBOXES /NORESTART.

How do I deploy OpenSSL Light LTS via Intune or Configuration Manager?

Use winget for the cleanest path: winget install --id ShiningLight.OpenSSL.LTS.Light --exact 3.5.6 --silent --accept-package-agreements --accept-source-agreements. If winget isn't viable in your environment, package the publisher's installer directly using the silent switches above.

Prefer the winget route? See the full OpenSSL Light LTS install page.