A browser is the program (what you click on) to view the internet.
Windows 10 is an operating system (what makes your computer work) or not. And can have many programs installed (browsers). Natively both Edge (browser) and Internet Explorer (browser), but you can also install third party browsers such as Chrome, Firefox, Opera, Safari, etc., etc.
Google is a company. They make a much of stuff, among which is software and some hardware. We frequently attach the name Google to applications that we use, like Chrome, which is a browser but sometime we call it Google Chrome, or Gmail which is an email service provided by Google, which some although I don't no who might call Google mail.
So in the interest of providing an accurate answer, we must first determine some accuracy in the question.