Mercury is licensed under MPL-2.0.

Mercury 129.0.2 — Install via Winget

Install with winget

Open PowerShell or Command Prompt and run:

winget install Alex313031.Mercury

Copied to clipboard!

1Open PowerShell or Command Prompt

2Paste and run the command above

3Follow any on-screen prompts to complete installation

About Mercury

Firefox fork with compiler optimizations and patches from Librewolf, Waterfox, and Ghostery. It aims to be the Firefox equivalent of my main project: Thorium (a Chromium fork).

avxavx-instructionsbrowsercompiler-optimizationfirefoxfirefox-forkfirefox-forkingmercuryoptimizationprivacy

Advanced Install Options

Install (latest)winget install Alex313031.Mercury

Install (pinned version)winget install --id Alex313031.Mercury -e --version 129.0.2

Upgradewinget upgrade Alex313031.Mercury

Uninstallwinget uninstall Alex313031.Mercury

Frequently Asked Questions

How do I install Mercury using winget?

Open PowerShell or Windows Terminal and run: winget install Alex313031.Mercury. Winget comes pre-installed on Windows 10 (1809+) and Windows 11.

What is Mercury?

Firefox fork with compiler optimizations and patches from Librewolf, Waterfox, and GNU IceCat.

Is Mercury free to use?

Mercury is distributed under the MPL-2.0 license. Check the publisher’s site for full licensing details.

How do I update Mercury with winget?

Run winget upgrade Alex313031.Mercury in PowerShell or Windows Terminal to upgrade to the latest available version.

How do I uninstall Mercury?

Run winget uninstall Alex313031.Mercury to remove Mercury from your system.