Diễn đàn hỗ trợ Firefox

Dear Team, This app my pc update please

looks like on your website you recommended firefox i downloaded it, it was outdated i didnt know it !!! so now i have a mass !!! THANK YOU  :(:(

How can I check if I have the most updated version of Mozilla?

How do I update firefox on my macbook

when ever you update Firfox, all open windows are erased !!!...why???