1. Go to Firefox link
2. Find the "Free Download" link in upper right
3. Choose SAVE and save it on your hard drive (on the desktop is the best place - and easy to find if you don't know much about searching your computer for the downloaded file. (If you "Open", then you actually run it from their website which is not recommended)
4. After download is complete, run file that you just downloaded (Double click on file - should be sitting on your desktop)
5. If should walk you through setting up the browser.
6. Start using Firefox, load pages quicker & more secure without all the pop ups