Microsoft Defender (previously Windows Defender) has been a part of the Windows operating system since the early 2000s, with Microsoft improving and iterating on it up to the present — and presumably ...

Before you proceed, you should know one thing. If you have a 3rd-party security software, these suggestions may help. But if Windows Defender is the only security software installed on your computer, ...

SmartScreen is designed to automatically block suspicious files, but it often flags genuine downloads as malicious. Here's how you can disable Windows Defender SmartScreen on Windows 11 to download ...