When you install an app on one computer or device, it will install automatically on any other computers and devices on the same subscription plan.

This is FALSE.

When you install an app on one computer, you are saving it on a single hard drive. Therefore, only that drive wherein you put and install the application will use and run the application. Otherwise, when you INSTALL IT TOO the whole network, meaning you have to copy and make installation to each computer one by one, then you can distribute the app.

answer ingress;