More info - https://www.theverge.com/2018/9/12/17850146/microsoft-windows-10-chrome-firefox-warningMicrosoft is getting ready to warn Windows 10 users not to install Chrome or Firefox. The software giant is in the final stages of testing its Windows 10 October 2018 Update, and testers have spotted a new change that appears when you try to install a rival web browser. “You already have Microsoft Edge – the safer, faster browser for Windows 10” says a prompt that appears when you run the Chrome or Firefox installers on the latest Windows 10 October 2018 Update.