Method 1: Open a browser, visit "192.168.1.1",enter "admin" in both the user name and password, and then log in. You can see the Wi-Fi password in the wireless settings.
Method 2: Click the wireless network icon in the notification area on the right side of the taskbar, right-click the WiFi you want to view, click "Properties" and click "Show Characters" to see the WiFi password.