This article explains how to use Microsoft Edge's password manager to save new passwords, edit and delete passwords, and generate random strong passwords.
How to Set Up Microsoft Edge Password Manager
Microsoft Edge has a built-in password manager that saves your passwords for you. If the manager is turned on, you'll be asked whether you want to save your password every time you sign in to a new website. If you have the strong password suggestion feature turned on, you'll be asked for a randomly generated strong password and then offered to save the password for you every time you sign in to a new website.
Here's how to save passwords with Microsoft Edge's password manager:
Go to a website where you are not logged in and click Log In or otherwise start the login process.