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Rohkem teavet

Can I change the Firefox English language to Portuguese without new installation?

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I have the last version in English, Firefox 9.0.1, and I'd like to change to Portuguese (Brazil) language. Can I do that without lost the English version? How to do it?

I have the last version in English, Firefox 9.0.1, and I'd like to change to Portuguese (Brazil) language. '''Can I do that without lost the English version? How to do it?'''

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