பயர்பாக்ஸ் ஆதரவு மன்றம்

I have been running firefox on my macbook air for years. I just recently upgraded my O.S. to Catalina. I did this primarily because my old firefox would no longer update. I did the upgrade to Catalina then downloaded "new" firefox. I have both "versions" of firefox available. the old one with all my bookmarks etc. and the new one with nothing. I hit move bookmarks on the new version but the only options were from chrome or safari. How can I move over the bookmarks to the new one. Thanks