Yes the Microsoft and Linux combination is already available. We already get options to have Linux inside Windows 10 as an integrated thing.
Ya about Brave browser, it is a lot secure than other browsers as it blocks most of the ads. Other than that it gives a good earning opportunity. I easily get 5 to 10$ per month for just browsing. You can use it for both desktop as well as mobile.
PS: If you are planning to use it, please use my referral. You can find that in the footer of my posts. 😀