Mozilla Firefox for Windows

Mozilla · Open source

Mozilla Firefox is a free and open-source web browser developed by Mozilla. Operating on the Gecko layout engine, Firefox provides built-in tracking prevention, rich extension support, and flexible interface customization without relying on Chromium.

Download for Windows

download-installer.cdn.mozilla.net · Official website

✓ Official source (winget)
✓ SHA256 taken from the official repository
✓ Last checked: Nov. 4, 2026
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Version: 159.0
Release date: Oct. 27, 2026
License: MPL-2.0
Installer type: nullsoft

Install from the command line

How do I use this?

Type Terminal in the Start menu and open it, paste the command (Ctrl+V or right-click) and press Enter. It uses winget, Windows' own package manager, to install the program from its official source.

winget install --id Mozilla.Firefox -e

SHA256 (file verification)

8776887b79925abbdd407fcdfe257d8382b54e24be52a6466426b95a804d6790

Other supported versions

Mozilla Firefox ESR · 153.6.0 · Oct. 27, 2026 Download

winget install --id Mozilla.Firefox.ESR -e

SHA256 (file verification)

f367f2e4714ad86459e1f383848ea1633216a424aee28b4977ab0d52b4901151

How to install

Download the installer file or run 'winget install --id Mozilla.Firefox -e' in PowerShell/Command Prompt.
Launch the downloaded installer executable.
Follow the setup wizard to complete the installation.

Platform pages: Windows · macOS · Linux · Android · All platforms and details