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?

To stop Google Chrome pop-ups, head to the "Site Settings" menu, where you can turn on a pop-up blocker.

You can allow pop-ups on your iPhone using both the Safari and Chrome browsers, but each app has a different menu you'll have ...