(3) When you are downloading files or programs from a website, SmartScreen will compare the file information with Microsoft malware sites list, this is to check if the downloading file is safe. If this website information can compared, the SmartScreen will stop you viewing this website and remind a red warning: This website has been reported as unsafe. (2) When you are browsing one website, SmartScreen filter will send the related information about this website to Microsoft server and phishing sites and malware sites list to compare. If it detected risks, SmartScreen will remind users this website may be unsafe. (1) When you are browsing the website, SmartScreen analyzes the website in the background and make sure if these web pages contains dangerous feature. The SmartScreen filter mainly protects the operating system through the following measures. Option 2: Turn Off from Windows Defender.How to Turn On and Turn Off the SmartScreen on Windows 10?.So even if you use the third-party browsers such as Google Chrome or FireFox, SmartScreen will also detects the viewing and downloading content. In Windows 10, the SmartScreen is integrated into the operate system. In the meanwhile, SmartScreen can also prevents downloading or installing malicious applications. The SmartScreen filter is a Microsoft edge browser’s feature that detects phishing and malicious websites.

Microsoft edge smartscreen