Mozilla Firefox – a popular and fast browser with modern technologies support. The software provides a comfortable stay in the internet thanks to the convenient navigation bar, proper protection against spyware, spellcheck, private browsing of websites, etc. Mozilla Firefox has a flexible set of tools to customize the browser for needs of the user. The software provides the proper display of webpage content and streaming video. Mozilla Firefox contains a wide selection of additions which add the new features to the browser or expand existing ones.