Onyx Launcher

by Onyx Launcher contributorsv1.6.3

Last updated Aug 7, 2026

Open-source Minecraft launcher for isolated instances, Modrinth content, automatic Java, diagnostics, and safe backups.

Install with winget

$ winget install --id Lonestill.OnyxLauncher --exact --version 1.6.3

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

Silent install command for Onyx Launcher

Onyx Launcher uses EXE (NSIS). The silent install switches are /S.

One-line silent install (x64, user scope)

Onyx.Launcher.Setup.1.6.3.exe /S

See the full silent install reference for Onyx Launcher →

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About

Onyx Launcher is a modern Minecraft launcher for Windows and Linux. It manages isolated game instances, Vanilla and popular mod loaders, Modrinth modpacks and mods, automatic Eclipse Temurin runtimes, crash diagnostics, world snapshots, backups, and per-instance performance settings.

Installers · v1.6.3

Architecture	Type	Scope	Install	Download
x64	EXE NSIS	user		Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

No known CVEs for Onyx Launcher.

Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.

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Frequently asked questions

How do I install Onyx Launcher on Windows?

Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id Lonestill.OnyxLauncher --exact --version 1.6.3. winget downloads the installer from Onyx Launcher contributors and runs it. Requires Windows 10 (1809+) or Windows 11.

How do I install Onyx Launcher silently for unattended deployment?

Add --silent and accept the agreements upfront: winget install --id Lonestill.OnyxLauncher --exact 1.6.3 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.

What are the silent install switches for Onyx Launcher?

Onyx Launcher uses EXE (NSIS). Run the downloaded installer with: Onyx.Launcher.Setup.1.6.3.exe /S. The silent switches are /S.

How do I uninstall Onyx Launcher via winget?

Run: winget uninstall --id Lonestill.OnyxLauncher --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from Onyx Launcher's Apps & Features entry.

Is Onyx Launcher free?

Onyx Launcher is distributed under MIT. Refer to the publisher (https://github.com/lonestill/onyx-launcher) for the full license terms - Wingetly itself does not charge for installation.

Does Onyx Launcher work on Windows 10?

Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls Onyx Launcher directly from the publisher.

How do I keep Onyx Launcher up to date?

Run winget upgrade --id Lonestill.OnyxLauncher --exact, or winget upgrade --all to update everything winget tracks. We index 1 version of Onyx Launcher from microsoft/winget-pkgs.