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How to install the extension on a computer for all users

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Good day!

How do I install a new extension on a computer for all users of this computer at once? On the Internet, I found what I was looking for, but it does not work. firefox.exe -install-global-extension c:\temp\example.xpi

Is there a working solution to this problem?

Thanks in advance.

Good day! How do I install a new extension on a computer for all users of this computer at once? On the Internet, I found what I was looking for, but it does not work. firefox.exe -install-global-extension c:\temp\example.xpi Is there a working solution to this problem? Thanks in advance.

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See:

Note that the -install-global-extension command line switch is no longer supported.