em client rejecting username and password for Windows Live server

so I have several emails that I check frequently and for some reason it keeps prompting me to type in my username and password for my Windows Live Mail I have checked I have double-checked and I have triple check to the username and password and they work on the website they work on other computers websites and they work on my phone but em client just bounces it back the only message I get is server says"" please can anyone help with this

Can you try using your app password, rather than your account password.

You can generate an app password in your Microsoft account settings page, if you don’t have one already.