It is very fast browser..
Download 34.0.4 version
Download 34.0.5 latest version
Features:

1. Start the process by clicking Run. Your download should begin automatically. If not, click here. It could take a few minutes, but it’s worth the wait.

2. Click Run to launch the Mozilla Firefox setup wizard. Then, just follow the steps (we've made the process as painless as possible).

3. Now you’re ready to leap boldly into a new era of Web surfing. Double-click on the Firefox icon whenever you want to go online.