To use Selenium with Firefox, you must download a separate executable called . This tool acts as the link between your Selenium script and the Firefox browser. Quick Setup Guide

: Unzip the file and move geckodriver.exe (Windows) or geckodriver (Mac/Linux) to a folder like C:\WebDriver\ or /usr/local/bin/ . Adding to System PATH Download GeckoDriver – Latest Version for Selenium

: Visit the Official GeckoDriver Releases on GitHub.

If you are using , the manual download is often unnecessary because Selenium Manager will automatically download the correct driver for you when you run your script. If you still need to download it manually:

: Download the .zip or .tar.gz file for Windows, macOS, or Linux.

: Open Firefox > Help > About Firefox.