Mozilla Firefox PC Guides

Learn the basics of the Firefox browser: bookmarks, tabs, search, add-ons, page operations, etc.

Mozilla Firefox (formally abbreviated as Fx or fx, informally abbreviated as MF), is a free and open source web browser, which uses the Gecko typesetting engine, is compatible with multiple operating systems, such as Windows, Mac OS X and GNU. /LinuxWait. The browser offers two versions, the normal version and the ESR (Extended Support Release) version. The ESR version is specially created by Mozilla for those companies that cannot or do not want to update every few weeks. The update cycle for the Firefox ESR version is 12 months, while the update cycle for normal Firefox is 4 weeks. Since the browser's source code is open, there are some third-party compiled versions for your use, such as pcxFirefox, Cangyue Browser, tete009, etc.