App & browser control in Windows Security provides the settings for Microsoft Defender SmartScreen, which helps protect your device from potentially dangerous apps, files, websites, and downloads. The settings on the App & browser control page let you: Block unrecognized apps, files, malicious sites, downloads, and web content.

Windows 7 Windows 8.1 Windows 10. Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page.

Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now. For help uninstalling these apps, follow the instructions to uninstall from Control Panel. Uninstall from Control Panel.

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR code. Searching for Microsoft Defender in your app store. Sharing with your devices, the following link: Copy link.

Microsoft Defender's web protection helps protect you against malicious sites that are being used for phishing or spreading malware. Web protection is currently available on Windows, iOS, and Android.

Microsoft Defender Antivirus is a powerful tool that finds and removes malware from your PC. Here's how to use it in Windows 10 or 11 to scan your PC. Important: Before you use Microsoft Defender Offline, make sure to save any open files and close apps and programs. Open your Windows Security settings.

Virus & threat protection in Windows Security helps you scan for threats on your device. You can also run different types of scans, see the results of your previous virus and threat scans, and get the latest protection offered by Microsoft Defender Antivirus. Under Current threats you can: See any threats currently found on your device.

App & browser control - Update settings for Microsoft Defender SmartScreen to help protect your device against potentially dangerous apps, files, sites, and downloads. You'll have exploit protection and you can customize protection settings for your devices.

Select Settings > Privacy, search, and services. Under the Security section, confirm that Enhance your security on the web is On. Select the browsing mode that’s right for you. Make an exception for security enhancements. In both enhanced security modes, you can set this feature to always on or off for websites on your exception list.

Enable secure DNS. Use Microsoft Edge's password manager. Exercise caution when downloading files. Browse anonymously with InPrivate browsing. Install extensions for added security. Keep Microsoft Edge Updated.