If you really want to make Firefox the fastest browser around it take 3 staeps to make it happen.

First you have to download a Beta copy of Firefox 3.1.x Beta download link. Alternatively, you can access the Mozilla FTP system at http://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/latest-trunk/ to download a copy of the latest trunk version. As I do at least once a week.

Next grab a copy of Portable Firefox as it’s not advisable to direct-install these trunk builds. Unless you’re willing to live with chaos.

For those who came in late, Portable Applications (in general), were developed for setup and use from USB pen drives. And let More >