OneDrive. Files. Manage. Remove malware from your Windows PC. OneDrive (home or personal) OneDrive for Windows. 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.

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.

Windows 10. There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly. Windows 11 Windows 10.

Windows 10 Windows 11. Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality.

Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date. Requests are for games in which you haven’t accumulated a significant amount of play time. Note As a limited exception, digital game products may be eligible for a refund within 30 days if you’re unsatisfied with ...

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.

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. We encourage you to install Microsoft Defender on at least five devices per person. Important: This article is about the Microsoft Defender app that ...

Microsoft security help and learning. If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

Before you begin. Driver updates for Windows, along with many devices, such as network adapters, monitors, printers, and video cards, are automatically downloaded and installed through Windows Update. You probably already have the most recent drivers, but if you'd like to manually update or reinstall a driver, here's how: Update the device driver.

Using anti-malware on your device. Microsoft Defender's real-time anti-malware protection runs whenever your device is on, keeping an eye out for malicious activity. Microsoft Defender will also run quick scans of your device on a daily basis, in case anything manages to elude the real-time protection. If it spots something it will attempt to ...