Depends. Some apps install to the profile, most install to the system and are available to all by default. As you noted, Windows Store apps are per user, but the ones baked into the system are ...

Install Disney+ through browser While many PC owners will install the Disney Plus app through the Microsoft Store, this is an option to install the app as a PWA.

On Windows 11, you can change the default browser to any application you want, and in this guide, I'll explain how to use the easiest steps.