It’s not an option anymore, but mandatory. While the manual scan is a good option, a Real-Time scan is important. Setup a Real-time Scan with Windows Security? When the scan is complete, you’ll see the Scan options page letting you know the scan results. To scan specific files or folders, right-click the ones you want, then select Scan with Windows Defender. Windows Security or Windows Defender Security Center allows you to scan a specific file or folder and warn you instantly if there is any threat, i.e., virus or malware, or anything that poses a security threat. Scan an item with Windows Security in Windows 10 While the system performs a regular scan of files, if you need to scan an item, i.e., one single file with Windows Security in Windows 10, here is how you can do it. Windows 10 offers a built-in Security, and Anti-Virus solution-Windows Security-which offers features like Ransomware protection, file and data protection, virus scanning, device performance check, firewall, and network protection.