If you are using Firefox version older than 7, it is the time to install the newer version with lot of great features. Firefox is a free open-source browser, which has been growing at a fast phase and has been replacing the Windows default Internet Explorer.
The new features include:
* Better memory handling
* Syncing of Bookmark and password changes instantly if you are using Firefox Sync
* http:// prefix is now hidden by default (like you see in Chrome)
* This version has fixed several vulnerabilities and stability issues
Get the latest version here: http://www.firefox.com/ or click “Help” from toolbar and click “Check for Updates.”