How to remove wifi saved password in Windows 8,8.1

Method 1: 
Just go to Settings, Windows Key + i, click the Wireless icon, right click the network and choose Forget This Network.
Note:Unfortunately, this option only appears if the network is in range.  If the network isn’t in range then you can’t right click it to forget it because it doesn’t show up! So, try method 2.

Method 2:
1: Open command prompt by going in start menu or Press windows key + r type cmd and click ok.
2: type netsh wlan delete profile name="PTCL-BB"
Note: Intead of PTCL-BB type your own wirless name and press enter.

You are done.....