While you can use the interface bar like a search engine, Google appears as the default. The main advantages include improved download protection, process separation, and specific customizations on the web browser. Initially running on 32-bit systems, Mozilla Firefox updated to a 64-bit MSI package for Windows in 2016. Since then, it’s become one of the most popular browsers on Windows, Mac, Linux, and mobile devices. Originally named Phoenix, the brand changed to Firebird and then to Firefox in 2004 to avoid trademark claims. The US company behind the Mozilla Suite already had a browser running in 2002, but they wanted to escape Netscape’s sponsorship restrictions. Launched by the Mozilla Foundation in 2003, the open-source program has undergone several name changes, face-lifts, and updates to become the class software it is today. Mozilla Firefox is a free web browser for Windows and Mac operating systems.