https://www.cnet.com/news/microsoft-windows-10-april-2018-update-aims-to-shield-us-from-notifications/

The little nudges typically appear as a number sitting atop an app's icon or a text alert telling you about anything from President Donald Trump's latest tweet to a friend's beautiful vacation photo posted to Instagram. And they're everywhere. Which is why they need to be tamed.Microsoft thinks it has a solution.

The answer, it says, is in a new feature called "Focus Assist," due April 30 as part of the company's free "April 2018 Update" for all PCs powered by Microsoft's Windows 10 software.