To fill or change wifi password follow these simple steps.
wifi means wireless file transfer . To use a secure WiFi connection a wifi password is required.
Go to network and intenet
press the window button from keyboard or go to start.Know go to control panel. Under the control panel find network and internet and click on it.
Go to Network and sharing center :
Under the network and internet find network and sharing center and click on it.
Change or fill wifi password in security tab
Under the network and sharing center find wireless network connections. Click on it.New window will open. I the new window find wireless properties button and click on it.Know in new window click on security tab.Tick the check box to show the password characters.In the network security key field you can fill or change your wi-fi password.
For see more details see the following video.