Download Mozilla Firefox
Free and open source web browser with privacy protection.
154.0Confirm your operating system and architecture
This prerendered copy does not guess between installers because it cannot inspect your device. Use the selector after the page loads, or choose one of the exact catalogued sources below.
Verified 2026-08-23 from Mozilla product details.
Recently checked — Checked 15 days ago; the catalog review window is 45 days. Catalog evidence: Publisher API record. Source ownership: Vendor-provided source.
Mozilla Firefox official sources by platform
Stable channel
Not published
Not published
Firefox also offers Extended Support Release (ESR). Choose ESR when the publisher’s enterprise support cadence matters more than the newest stable features.
Read Firefox release channels ↗Where can you install it?
What-Version labels who publishes or maintains each route. Community routes are useful, but they are not presented as vendor downloads.
Version evidence and catalogued download links are anchored to the publisher-owned source.
Open publisher source ↗System requirements
- macos: macOS 10.12 or later
- windows: Windows 10 or later
- linux: Most modern distributions
Does Mozilla Firefox have an Android app or APK?
Official Android source listed. Use the verified Android link for Mozilla Firefox. If the destination is Google Play, install from that listing rather than an APK mirror.
Open official Android sourceFor APK searches, prefer vendor-owned pages, Google Play, F-Droid, GitHub releases, or documentation explicitly linked by the project.
Frequently asked questions
Is Firefox really free?
Yes, Firefox is completely free and open source with no ads or tracking.
Does Firefox work on Apple Silicon?
Yes, Firefox has native Apple Silicon support for optimal performance.
What makes Firefox different from Chrome?
Firefox focuses on privacy protection, is open source, and gives you more control over your data.