You can disable remote app installs on Windows 10, and here's how.

[Windows Central]

You can prevent users from pushing apps to other devices from the Microsoft Store, and in this guide, you'll learn how on Windows 10.
Windows 10 ships with a feature known as "Push To Install," which allows you to install apps remotely from the web version of Microsoft Store and other devices as long as they're signed in using the same Microsoft account.
Although this is a useful feature to streamline the installation process of apps across your devices, if you don't use the feature, or you have to comply with your organization requirements, you can use disable "Push To Install" using the Local Group Policy Editor and Registry.

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