Install Mercury Browser AVX1 with winget

Alex313031.Mercury · Alex313031

Install command

winget install -e --id Alex313031.Mercury

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

Last updated: 1 years ago
Version: v129.0.2
Publisher: Alex313031
Website: github.com
Source: winget-pkgs manifest
Download: Direct installer (.exe)
License: MPL-2.0
Min OS: Windows 10+
Tags: web-browser webbrowser mercury-browser mercurybrowser avx-instructions compiler-optimization firefox firefox-fork firefox-forking mercury privacy

Catalog refreshed: 6/12/2026

1
Make sure winget is available
Windows 11 and recent Windows 10 builds ship winget via the App Installer. Check it’s ready:
winget --version
If it’s missing, install App Installer from the Microsoft Store.
2
Open a terminal
Launch Windows Terminal, PowerShell, or Command Prompt.
Right-click the Start button — or press ⊞ Win + X
Disk Management
Computer Management
Terminal
Terminal (Admin)
Task Manager
Settings
Windows Terminal
PS C:\>
3
Run the install command
Installs the latest version of Mercury Browser AVX1. The -e flag matches the exact package ID.
winget install -e --id Alex313031.Mercury
Windows Terminal — winget
PS C:\>
4
Silent / unattended install (optional)
For scripts or deployment, install with no prompts (works with the .exe installer):
winget install -e --id Alex313031.Mercury --silent --accept-package-agreements --accept-source-agreements