On the web, there will be drop-down menus for the two programs where you can opt-out multiple devices at the same time — just click and fill in the bubble in the “Don’t Use” column to opt-out.

For one, a PWA will strip out the address bar, tabs and other components that make the Web app look like a Web page. Second, and more importantly, a PWA can be saved as an “app” in the Start menu.