I can't install Facebook Container on Firefox 57+

Facebook Container requires Firefox version 57 or higher.

If you're on version 57+ and still unable to install Facebook Container, you might have another extension or configuration that causes Firefox to conceal its version.

To work around this, copy and paste this link into your address bar: https://addons.mozilla.org/firefox/downloads/latest/facebook-container/platform:2/addon-954390-latest.xpi.

Firefox may ask you to permission for installing extension, click Allow button.

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