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