That is the new interface codenamed Australis to make Firefox easier to use (the menu with the quick bookmark button, and the new hotdog button). We are sorry that you don't like the new changes. Here are a few suggestions for restoring the old design. We hope you’ll find one that works for you: *Use the [https://addons.mozilla.org/en-US/firefox/addon/classicthemerestorer/ Classic Theme Restorer] to bring back the old design. Learn more here: [[How to make the new Firefox look like the old Firefox]] *Use the [https://addons.mozilla.org/en-US/firefox/addon/the-addon-bar/ Add-on Bar Restored] to bring back the add-on bar. Learn more here: [[What happened to the Add-on Bar?]] Firefox is a work in progress and your feedback is very important to us. Our support community is run by volunteers who work hard to help all Firefox users, but we can’t make changes to the design ourselves. Please help us improve Firefox by leaving feedback where the designers and engineers can see it: https://input.mozilla.org/en-US/feedback.