Most of the time this is a good thing, but when you have absolutely have to find that password you can’t remember, here’s how it’s done.
1. From the Windows System Tray, right-click the Wi-Fi icon and Open Network and Sharing Center.
2. Click on Connections: (your Wi-Fi network name) to open the Wi-Fi Status Window.
3. Click Wireless Properties.
4. Switch to the Security tab.
5. Under Network security key, check the box that says Show characters.