Softvault

Windows · Browsers & Internet

Nightly

Firefox Nightly is an unstable testing and development version of Firefox.

Version 108.2211.1408.0 · by Mozilla

Download

Official site: mozilla.org

About Nightly

Firefox Nightly is an unstable testing and development version of Firefox.

How to install Nightly

  1. Click Download — the developer's official website opens in a new tab.
  2. Download the latest version there and run it. Choose Custom/Advanced where offered, and skip any bundled extras.
  3. Prefer the command line? With the Windows Package Manager (winget) you can install and update it with: winget install Mozilla.Firefox.Nightly
  4. Open Nightly once it finishes installing.
How to install Windows software with winget

Frequently asked questions

Is Nightly free to download?

Yes. The Download button sends you to mozilla.org, the developer's official site, where Nightly is available to download. Softvault doesn't host or modify any files.

What is the latest version of Nightly?

The version listed here is 108.2211.1408.0. The developer's site always has the newest release.

How do I install Nightly from the command line?

With the Windows Package Manager (winget), run: winget install Mozilla.Firefox.Nightly. This installs it from the official source and keeps it updated.

Is Nightly safe?

Nightly downloads directly from the developer. As always, scan the installer with your antivirus and choose Custom setup to skip any bundled extras.

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