You can block websites on a Microsoft Edge browser using Command Prompt, as there is no built-in feature for it in the browser.
To allow websites to show pop-up windows in Microsoft Edge, you have to disable the browser's pop-up blocker. Here's how you do that on desktop and mobile. Why Disable the Pop-Up Blocker in Edge?
Microsoft Edge 142 is now rolling out to all users. The newest feature update delivers improved autofill, scareware blocker, security patches, and more.