Did you foget the password of your wifi ?
This is a tool that can show you the password of the wifi you have connected to.
IIt can only run on windows system.
Download it from here
mega link:
https://mega.nz/file/COxk2DIZ#jHyY7uJYgSVBjMaGLk-qHvrYz3B8ZHVAQRgoSV5jICY