If your computer is connected to a Wi-Fi network and you do not remember the password that you had earlier used to connect to any WiFi network. Maybe you forgot the password or maybe the network administrator entered it directly without revealing the password to you.
Step 1 Go to the Network symbol at right bottom of your windows.
Step 2 Click on the network symbol and go to the Open Network and sharing center.
Step 3 Click on Manage wireless network.
Step 4 Double Click on the network you are connect
Step 5 Go the security section
Step 6 Enable the show character checkbox and you can see the password.