Alternatively you can download the latest beta version of this software.

What’s New in Netscape Navigator 9

Visual Refresh
Netscape Navigator 9's theme has been updated to save screen-space and leave more room for the websites you visit.
URL Correction
Navigator 9 will automatically correct common typos in URLs. For example, if you accidentally type googlecom, Navigator will fix it be to google.com. The browser will watch for nearly 30 different types of common mistakes and correct them for you (asking you to confirm, if you choose to enable confirmation).
Link Pad
The Link Pad is a new sidebar feature that allows you to save links/URLs that you want to visit later without cluttering your bookmarks. Just drag a link over the Link Pad status bar icon and drop it to save it in the Link Pad. By default, clicking on an item in the Link Pad will open it in the browser and remove it from the list, saving you the step of deleting it.
Extension Compatibility
Navigator 9 shares an architecture with the latest Mozilla technologies; as such, Navigator 9 will let you install extensions that are compatible with Firefox ® 2.
Sidebar Mini Browser
You've always been able to have bookmarks open in the sidebar, but we've improved this functionality and extended it to all links, not just bookmarks. Additionally, we've added a navigation toolbar to the sidebar for even easier split-screened browsing. Just right-click on a link and select "Open Link in Sidebar" to get started!
Restart Netcape
A smalll but oft-requested feature: you can now restart Navigator (and keep your current tabs intact) by selecting "Restart Navigator" from the File menu.
Resizeable Textarea
Drag the bottom-right corners of text fields in forms to add more typing space.
Tab History
Opening a link in a new tab will give the new tab the same history as the source tab for a more seamless tabbed browsing experience.
OPML Support
Netscape Navigator supports importing and exporting your bookmarks in OPML, a popular format for sharing lists of newsfeeds.
Throbber
By popular demand, the Netscape 7-style throbber is back. Click on it any time to visit Netscape.com.
Combined Stop/Reload button
To save space in your toolbar, we've combined the stop and reload buttons. Because you never need both at the same time, the toolbar will only show the relevant half of the pair.

Downloading and Installing
System Requirements

Before installing, make sure your computer meets the system requirements.
Downloading Navigator 9

We provide Navigator 9 for Windows, Linux, and Mac OS X. You can get the latest version of the browser on the downloads page. For older versions, see the Netscape browser archive.
Installing Navigator 9
Windows

To install Navigator on Windows, double-click on the installer that you downloaded from the downloads page. The installer will walk you through the rest of the installation.
Mac OS X

To install Navigator on Mac OS X, open the DMG file that you downloaded for the downloads page and drag the Navigator application to your Applications folder.
Linux

To install Navigator on Linux, extract the archive you downloaded and run ./netscape/navigator from a terminal. (This will execute the browser; there are no formal installation instructions available for Linux.)
Removing Navigator 9

You can remove Navigator 9 through the Control Panel in the Start Menu on Windows, by removing the Navigator application on OS X, or by removing the navigator folder on Linux.

Removing Navigator 9 won't remove your bookmarks, web browsing history, extensions or other add-ons.