Microsoft has been trying to make the concept of ads in operating systems acceptable for a while now, using Windows 10 as its testbed. We've seen lock screen ads, notification ads telling you that Chrome is eating your battery and you should switch to Microsoft Edge, and even some weird targeted pop-up ads for Chrome users informing them about Microsoft's Personal Shopping Assistant. So by now you should have gotten used to this. That said, Microsoft is ready to take things to the next level - specifically, the Windows 10 File Explorer. That's a pretty essential app that we assume most...
Source: http://www.gsmarena.com/microsoft_thinks_its_a_good_idea_to_put_ads_into_your_windows_10_file_explorer-news-23859.php