my old chrome book didn't install firefox..it said outdated , support ended ? i figuured it's time to get new ..i bought new chromebook from bestbuy.. firefox > google play store > downloaded/ install > .tar file..no good? .tar file won't open, or won't open fully.. 1] firefox? mozilla? firefox focus? all suggested, get android-firefox or linux-firefox? android+forefox couldn't be located in google play? out of luck? 2] linux? i don't know a dame thing about linux..i don't have such computer skills? 3] 3rd sugestion was firefox desktop? same dame ? .tar file? i bought new chromebook for nothing?