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Download Mozilla Thunderbird

v159.0WindowsmacOSLinuxAndroid85.1 MB

Before you download

  • Publisher

    Official
    Thunderbird Technologies Corporation — thunderbird.net

  • Where the file comes from

    Publisher's page
    The publisher's own download page: thunderbird.net/en-US/download/Link checked 30 Oct 2026

  • SHA-256

    From the developer
    70eac5e244f67cb4fbe4386da20f5287573233fc5139bcf0e8e522b61e4b013e
    Published by the developer. Compare it with the file you download.

  • Bundled offers

    None
    None. You get the publisher's original installer from their own site — we never host, repackage or wrap it.
Continue to official download(opens publisher site in a new tab)

Opens thunderbird.net in a new tab. Only run software you trust.

Other platforms

Install in 3 steps

  1. Download

    Save the installer from thunderbird.net.

  2. Check

    Right-click the file → Properties → Digital Signatures to see who signed it, or compare the SHA-256.

  3. Install

    Run the installer and decline anything you didn't ask for.

Check the hash yourself

Open PowerShell in your Downloads folder and run:

Get-FileHash .\<installer name>.exe -Algorithm SHA256

Replace <installer name> with the file you downloaded. The result must match the developer's SHA-256 above exactly.

Something wrong with this download? Report it.

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