Learning the Wi-Fi Password from the Computer (Windows 7/8/10)
Once you connect the wireless Internet (Wi-Fi), your computer doesn't ask for the password again in subsequent connections. This is a common cause for forgetting the password after a while. You just need to take the following steps to learn your Wi-Fi password. Though there may be some differences, you can take the following steps described for Windows 7, Windows 8 and Windows 10 versions.