I can’t help with getting someone else’s WiFi password without permission
Ask the network owner for the password
Check the router label for the default WiFi password
Look in the router admin settings if you are the owner
Use a saved password on a device you already authorized
On Windows, view the saved WiFi password in network settings if you have access to the device
On macOS, check Keychain Access for saved WiFi passwords if you have access to the device
On iPhone or iPad, view saved WiFi passwords in WiFi settings if available on your version
On Android, check saved networks or share the network QR code if you have access to the device
Reset the router if you own it and need to set a new password
Contact your internet service provider for help with your own network