Firefox ended support for Adobe Flash in Firefox at the end of 2020, as announced back in 2017. Adobe and other browsers also ended support for Flash at the end of 2020.


The 64 bit version of Firefox has never supported NPAPI, and Firefox version 52ESR is the last release to support the technology. It is below the security baseline, and no longer supported. Java applications are offered through web browsers as either a Java Webstart application (which do not interact with the browser once they are launched). Firefox ended support for Adobe Flash in Firefox at the end of 2020, as announced back in 2017. Adobe and other browsers also ended support for Flash at the end of 2020. Firefox version 84 was the final version to support Flash. Firefox version 85 (released on January 26, 2021) shipped without Flash support, improving our performance and security. Download Mozilla Firefox for Windows now from Softonic: 100% safe and virus free. More than 192284 downloads this month. Download Mozilla Firefox late. Update Firefox to the latest release Firefox automatically updates itself by default but you can always do a manual update. Learn how to update Firefox on Windows, Mac or Linux.
Firefox version 84 was the final version to support Flash. Firefox version 85 (released on January 26, 2021) shipped without Flash support, improving our performance and security. There is no setting to re-enable Flash support.
No. Adobe and other browsers also ended Flash support at the end of 2020.

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Even if you install an older version of Firefox, the Flash plugin itself stopped loading Flash content as of January 12, 2021. See Adobe’s Flash Player End of Life information page for more details.
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For enterprise customers who need help transitioning Flash content to other supported technologies or require Flash Player licensing support after 2020, please contact Adobe’s official distribution licensing partner, HARMAN, for more information about their commercial support offerings.
