As we know, we cannot simulate OS actions with Selenium. We use AutoIt tool to upload documents (when it is not possible to achive upload using sendKeys method). We have discussed uploading a file using using Webdriver Sendkeys method and Using AutoIT Tool in earlier tutorials.

Some times, you may need to update the preferences within Firefox. We can do this by instantiating a Firefox Profile object and then update the settings.

We will then need to pass this object into FirefoxDriver which will load the profile with your defined settings.

You can check them using command "about:config" in the borwser. It will display a warning message and then asks you to proceed if required. Becarefull when doing any changes.