if firebug does not saupport to install firefox, This add-on is not compatible with your version of Firefox -

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when download firefox 23-8-2017 , go add-ones option , search firebug. when click firebug icon, see

"this add-on not compatible version of firefox. "

what should add firebug successfully?

uninstall firefox go link https://ftp.mozilla.org/pub/firefox/releases/ , install version 54.0/ install firebug can update firefox working firebug





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