Mozilla Firefox is a fast, secure, and privacy-focused web browser available for Windows, macOS, and Linux. While Mozilla typically offers a small web installer that downloads Firefox during setup, many users prefer the full offline installer because it can be installed without an internet connection and reused across multiple devices.

Below, you’ll find direct download links for the latest Mozilla Firefox offline installers, including Stable and ESR releases for Windows, Mac, and Linux.

Download Firefox Offline Installer (Direct Download Links)

Mozilla provides official offline installers for Firefox Stable, Beta, Developer Edition, and Nightly builds across Windows, macOS, and Linux. These are available in over 90 languages.

Here are the direct download links for the latest Mozilla Firefox Stable offline installers (English US):

Windows 11/10 (64-bit)

Version: 152.0.1
File name: Firefox Setup 152.0.1.exe
File size: ~84.2 MB
Download: Firefox Offline Installer (64-bit)

Windows 10 (32-bit)

Version: 152.0.1
File name: Firefox Setup 152.0.1.exe
File size: ~74.1 MB
Download: Firefox Offline Installer (32-bit)

Windows ARM64/AArch64

Version: 152.0.1
File name: Firefox Setup 152.0.1.exe
File size: ~77.9 MB
Download: Firefox Offline Installer (ARM64)

macOS

Version: 152.0.1
File name: Firefox 152.0.1.dmg
File size: ~146 MB
Download: Firefox Offline Installer (Mac)

Linux 64-bit

Version: 152.0.1
File name: firefox-152.0.1.tar.xz
File size: ~80.6 MB
Download: Firefox Offline Installer (Linux 64-bit)

Linux 32-bit

Version: 144.0.2
File name: firefox-144.0.2.tar.xz
File size: ~76 MB
Download: Firefox Offline Installer (Linux 32-bit)

Download Mozilla Firefox ESR Offline Installers

Firefox Extended Support Release (ESR) is a long-term support version of Firefox that receives security and stability updates without frequent feature changes. It is recommended for businesses, schools, IT administrators, and users who prefer a stable browsing experience.

Direct links to the latest Firefox ESR offline installers (English US):

Download Firefox ESR 115 for Windows 7, Windows 8, and Older macOS Versions

If you’re using Windows 7, Windows 8/8.1, or macOS 10.12, 10.13, or 10.14, you should install Firefox ESR 115, which is the last supported version for these older operating systems.

Note: Mozilla will provide security updates for Firefox 115 ESR until at least February 2026.

What is a Firefox Offline Standalone Installer?

A standalone installer (also called an offline installer) is a complete setup file of Firefox that doesn’t require additional downloads at the time of installation. Unlike the online installer, which fetches the full package from Mozilla servers during setup, the offline installer contains everything needed to install Firefox in one go.

Benefits of Using an Offline Installer

No internet required at installation time – Ideal for computers without stable internet access.
Install on multiple devices – Download once and reuse the same installer across multiple PCs.
Faster setup – Avoids repeated downloads of the same files.
Supports IT admins and enterprise use – Useful for bulk installations.

How to Download Mozilla Firefox Standalone Installer Manually

Mozilla also provides an official page where you can manually select and download Firefox offline installer in your preferred language and edition.

To download the full standalone offline setup of Firefox:

Visit the Firefox Installer Download Page.
Select an edition: Stable, Beta, Developer Edition, Nightly, or ESR build.
Choose your preferred OS: Windows 64-bit, Windows 32-bit, Windows ARM64, macOS, Linux (32/64-bit, ARM64)
Choose from more than 90 languages.
Click Download Now to get the full installer package.