How to Find Your WiFi Password when You Forgot It This wikiHow teaches you how to find a forgotten Wi-Fi password on your Windows or Mac computer. You can do this by using your computer's settings, or by accessing your router's settings page. If all else fails, resetting your router will restore the factory default password. You cannot determine your network's password on mobile. Method 1 Using the Router's Stock Password 1 Determine whether you used the router's stock password. If you used the password which came with the router when initially setting it up, you can usually find the password by checking the router or its documentation. If you changed the router password at any point in the time you've owned the router, you'll need to use a different method. 2 Check the router unit for the password. Most manufacturers place the router's password on a sticker that's on the back or the bottom of the rou...