If you downloaded a free or paid Metro app from the Windows Store, it will be installed only for your currently logged-in user account. It won't be available for other user accounts on your Windows 8 or Windows 10 PC. This is radically different from the desktop app model where you could install an app for all users at once. If you share your PC with your family members and they all have their own accounts, you might be interested in knowing how to install the same app you downloaded on other user accounts. Let me show you how to do it.