Mozilla Firefox Offline Installer

Name: Mozilla Firefox
Author: Mozilla Foundation

Standalone installer · Full setup · Offline installer free download for Windows/macOS/Linux

Browsers · v150.0.2 · Free (MPL)

Privacy focused open source web browser

Download link verified by Avinash Verma (Editor) on May 15, 2026 — links go directly to the official source from Mozilla Foundation.

License: Free (MPL)

Size: 83 MB

Platforms: Windows macOS Linux

Updated: May 15, 2026

Quick answer: downloading Mozilla Firefox

Mozilla Firefox is a Free (MPL) web browser for Windows/macOS/Linux from Mozilla Foundation. Its official offline (standalone) installer is published as a direct download and installs without an internet connection. Always download from the official source (firefox.com) — we link there directly and never host or modify the file.

Mozilla Firefox Trust & Verification

External authoritative sources that identify and verify Mozilla Firefox.

Wikipedia article

Mozilla Firefox Offline Installer Downloads

Verified installer files, platform packages, store pages, and browser plugins when available.

Platform	Build	Architecture	Package	Download	Notes
Windows	Standard package Mozilla Firefox full installer 64-bit	64-bit	Official site	Download	Official Mozilla full installer endpoint
Windows	Standard package Mozilla Firefox full installer 32-bit	32-bit	Official site	Download	Official Mozilla full installer endpoint
macOS	Universal Mozilla Firefox DMG	Universal	Official site	Download	Official Mozilla macOS package
Linux	Standard package Mozilla Firefox Linux tarball	64-bit	Official site	Download	Official Mozilla Linux package
Android	Google Play Mozilla Firefox on Google Play	Not applicable	Store	Download	Official Google Play listing
iOS	App Store Mozilla Firefox on the App Store	Not applicable	Store	Download	Official Apple App Store listing

Direct installer links are shown only when verified. Store and browser extension rows open the publisher-controlled official destination.

Source: official offline / standalone installer — the verified file above installs without an internet connection.

We do not host software files on our servers. All download links point to the official developer source or a trusted, verified mirror.

Mozilla Firefox Overview

Mozilla Firefox is a Free (MPL) web browser available for Windows and macOS and Linux from Mozilla Foundation. The Mozilla Firefox offline installer is a complete standalone setup file — every rendering engine component, extension framework, and security module is packed into a single download that installs without any internet connection. Unlike a web installer or stub downloader that pulls files during setup, the Mozilla Firefox standalone setup works completely offline once downloaded. The Mozilla Firefox standalone installer also makes it easy to keep an archived copy for future reinstalls or rollback scenarios. Download the Mozilla Firefox full setup from the official Mozilla Foundation page and get a clean, trusted installation with no bundled adware.

Mozilla Firefox Preview

Mozilla Firefox Browsers preview card — Mozilla Firefox — Browsers

Lead card by OfflineInstallerSetup. Logo and screenshots from the publisher's official sources and Wikipedia / Wikimedia Commons under their respective licenses.

Mozilla Firefox Standalone Installer System Requirements

Baseline requirements to run the current Mozilla Firefox release:

Operating System: Windows 10+ (64-bit), macOS 10.15+, Linux (GTK 3.14+)
Memory (RAM): 2 GB minimum, 4 GB recommended
Disk Space: 200 MB free space
Processor: 1 GHz or faster

How to Install Mozilla Firefox

Follow these steps to install Mozilla Firefox offline on your PC:

1
Download the Mozilla Firefox offline installer from the official source below.
2
Double-click the installer file to launch the setup process.
3
Click 'Install' to begin the installation process.
4
Launch Mozilla Firefox — installation is complete.

Common Mozilla Firefox Installation Issues & Fixes

Ran into a problem? Here are the most common issues and how to fix them:

⚠️

Firefox does not open after installation.

✅

Check if Firefox is running in the background. If so, right-click the taskbar and select 'Task Manager' to end the Firefox process. Then try launching it again.