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Mulongo oyo etiyamaki na archive. Tuna motuna mosusu soki osengeli na lisalisi

I have downloaded an add-on in xpi format, but i don't know how i can install it on firefox?

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downloaded add-on is on my hard drive, but there is no place on firefox to add one. firefox always will download their add-ons, but this differ in compare to the work i want to do.

downloaded add-on is on my hard drive, but there is no place on firefox to add one. firefox always will download their add-ons, but this differ in compare to the work i want to do.

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File > Open File... or drag that XPI file into the browser window

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