MajorGeeks shows you how to disable the "Get Even More Out of Windows" notification in Windows 10.
How to Disable 'Get Even More Out of Windows'
On a clean install of Windows 10, you will occasionally see 'Get Even More Out of Windows' notification. Starting with build 18945, you can disable this in settings, or edit the Registry.
How to Disable 'Get Even More Out of Windows' - MajorGeeks