Add to Firefox
- In the Firefox web browser, go to: https://anywhere.webrootcloudav.com/wtsff/live/latest.xpi
- In the pop-up, click Add.
![](Images/adding%20web%20threat%20shield%20to%20firefox%20step%202.jpg)
- Enter your keycode and click Validate Keycode.
![](Images/adding%20web%20threat%20shield%20to%20firefox%20step%203.jpg)
- If you do not have your keycode, fill out this form to have it sent to you via email.
- If you do not have your keycode and purchased from Best Buy, call Best Buy at 1-888-237-8289. Be sure to mention your subscription software through Best Buy.
- In the pop-up, click Okay, Got It.
![](Images/adding%20web%20threat%20shield%20to%20firefox%20step%204.jpg)
Note: For the best coverage, select the check box next to Allow this extension to run in Private Windows.