Mozilla Firefox是一个自由的，开放源码的浏览器，适用于Windows, Linux 和 MacOS X平台。它还有其它一些高级特征，如标签式浏览，可以禁止弹出式窗口。内置了钓鱼保护、改变标签浏览行为、能够重新打开以外关闭的标签、更好的支持网页订阅的预览和订阅、拼写检查、支持JavaScript等.

Mozilla Firefox是一个自由的，开放源码的浏览器，适用于Windows, Linux 和 MacOSX平台。它还有其它一些高级特征，如标签式浏览，可以禁止弹出式窗口。内置了钓鱼保护、改变标签浏览行为、能够重新打开以外关闭的标签、更好的支持网页订阅的预览和订阅、拼写检查、支持JavaScript等.

Mozilla Firefox - faster, more secure, easier to use and sporting a newlook, this latest Firefox release sets a new standard for web browserinnovation. Mozilla Firefox project (formerly Firebird, which wasformerly Phoenix) is a redesign of Mozilla's browser component, writtenusing the XUL user interface language and designed to becross-platform. It is small, fast and easy to use, and offers manyadvantages over other web browsers, such as the tabbed browsing and theability to block pop-up windows.

Features in Firefox include:
- Easy migration: Switching to Firefox has never been easier now thatFirefox imports data like Favorites, history, settings, cookies andpasswords from Internet Explorer. Firefox can also import settings fromMozilla 1.x, Netscape and Opera.
- Smaller Download: Continuing efforts to make this the most efficientbrowser, the Windows version of Firefox is now only a 5.7 MB download,making downloading Firefox a breeze for dial-up and broadband usersalike.
- New Default Theme: A new default theme provides a bright new look for Windows and Linux users.
- SmartUpdate: A new SmartUpdate feature notifies users of new versionsof Firefox to ensure that the browser is always up to date.
- Help: A new online help system makes this one powerful, friendly browser.
- Extension/Theme Manager: New Extension and Theme Managers provide aconvenient and secure way to manage and update the hundreds of add-onsthat set Firefox apart from other browsers.
Mozilla Firefox also includes numerous bug fixes and incremental improvements, including faster page load speed.
- Popup Blocking: Stop annoying popup ads in their tracks with Firefox's built in popup blocker.
- Tabbed Browsing: View more than one web page in a single window withthis time saving feature. Open links in the background so that they'reready for viewing when you're ready to read them.
- Smarter Search: Google Search is built right into the toolbar, andthere are a plethora of other search tools including Keywords (type"dict " in the Location Bar), and FastFind (start typing the first fewletters of some text in the page and Firefox takes you there).
- Privacy and Security: Built with your Security in mind, Firefox keepsyour computer safe from malicious spyware by not loading harmfulActiveX controls. A comprehensive set of privacy tools keep your onlineactivity your business.
- Hassle-Free Downloading: Files you download are automatically savedto your Desktop so they're easy to find. Fewer prompts mean filesdownload quicker.
- Fits Like a Glove: Simple and intuitive, yet fully featured, Firefoxhas all the functions you're used to - Bookmarks, History, Full Screen,Text Zooming to make pages with small text easier to read, etc.
- S M L XL XXL XXXL: Firefox is the most customizable browser on theplanet. Customize your toolbars to add additional buttons, install newExtensions that add new features, add new Themes to browse with style,and use the adaptive search system to allow you to search an infinitenumber of engines. Firefox is as big or small as you want.
- Setup's a Snap: At only 4.7MB (Windows), Firefox only takes minutesto download over a fast connection. The installer gets you set upquickly, and the new Easy Transition system imports all of yoursettings - Favorites, passwords and other data from Internet Explorerand other browsers - so you can start surfing right away.
- A Developer's Best Friend: Firefox comes with a standard set ofdeveloper tools including a powerful JavaScript and CSS error/warningconsole, and an optional Document Inspector that gives unheard ofinsight into how your pages work.
- Read Mail—Not Spam

官网：http://www.mozilla.com/en-US/firefox/

官方下载：
简体版：ftp://ftp.mozilla.org/pub/firefox/nightly/3.0.1-candidates/build1/firefox-3.0.1.zh-CN.win32.installer.exe
英文版：ftp://ftp.mozilla.org/pub/firefox/nightly/3.0.1-candidates/build1/firefox-3.0.1.en-GB.win32.installer.exe
更多下载：ftp://ftp.mozilla.org/pub/firefox/nightly/3.0.1-candidates/build1/