Automatically fix Windows security issues. 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.

For 64-bit x64-based systems: Download the x64 MSRT package now. Release Date: April 9, 2024. For more information about how to download Microsoft support files, see How to obtain Microsoft support files from online services. Microsoft scanned this file for viruses.

Turn Windows Security on or off. Security Windows 10. When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

If you're looking for information about the Microsoft Defender antivirus that is built into Microsoft Windows, see Stay protected with Windows Security. If you haven't installed Defender on your devices yet, follow the steps in Installing Microsoft Defender.

The Microsoft Update Health Tools is required for Expediting security updates through Microsoft Intune and Microsoft Graph. This update should automatically install if your device is connected to Windows Updates services and allows automatic updates.

Hardware & networking. Set up your Xbox console: Digital setup. Note that this article covers the process of setting up your Xbox console using your controller and following the prompts on your TV screen. If you’re using the Xbox app to set up a new console, see: Complete console setup using the Xbox mobile app.

This update provides latest updates for Windows Security platform, which is comprised of the Windows Security app and its underlying service. To obtain the current version of Windows Security app, please run powershell command below: Get-AppPackage Microsoft.SecHealthUI.

This security update includes improvements that were a part of update KB5023778 (released March 28, 2023). When you install this KB: New! This update implements the new Windows Local Administrator Password Solution (LAPS) as a Windows inbox feature. For more information, see By popular demand: Windows LAPS available now!

This security update resolves vulnerabilities in Internet Explorer. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures . Additionally, see the following articles for more information about cumulative updates: Windows Server 2008 SP2 update history.