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I have version 56 (32 bit) but I cannot install Silverlight.

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Hello! I need to add Silverlight as an add-on, however everything I have atempted to do is not working to add it. Please, how do I place it as an add-on? If it is no longer supported, then what is the Firefox-approved add-on that will open a Silverlight application which I can add to my version? On another note, why did you guys remove it as an add-on if it is a universally-used application? It just does not make much sense.

Thanks.

Hello! I need to add Silverlight as an add-on, however everything I have atempted to do is not working to add it. Please, how do I place it as an add-on? If it is no longer supported, then what is the Firefox-approved add-on that will open a Silverlight application which I can add to my version? On another note, why did you guys remove it as an add-on if it is a universally-used application? It just does not make much sense. Thanks.

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Firefox v52+ disables all plugins except for Flash Why do Java, Silverlight, Adobe Acrobat and other plugins no longer work? {web link}

Install Older Version Of Firefox {web link} Be sure to read everything here.

If you still want to downgrade, look under; I still want to downgrade. Click the Directory of other versions and languages link. Look for the directory of the version that you want. But, remember that old versions may have security issues.

You should also check out Firefox; Extended Support Release {web link} ESR Notes System Requirements

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The internet is moving away from Plugins - HTML5 is supposed to eliminate the meed for Plugins. Except for Adobe Flash Player, most all popular browsers don't support Plugins any longer.