How to check computer wifi password..!?

      Open the Control Panel...

Go to "Network and Sharing Center."

Click on the connected Wi-Fi network.

In the Wi-Fi Status window, click on "Wireless Properties.

"Navigate to the "Security" tab and check the box that says "Show characters" to reveal the Wi-Fi password.

On Mac:

Open "Keychain Access" from the Utilities folder.

In the search bar, type the name of your Wi-Fi network.

Double-click on the Wi-Fi network name in the list.

Check the box next to "Show Password."

You might need to enter your Mac username and password to view the Wi-Fi password..

If you are using a different operating system, let me know, and I can provide specific instructions..