Turn Windows Security on or off - Microsoft Support
Open Windows Security settings. Windows Security is pre-installed on Windows 10 and ready for you to use at any time.
Remove malware from your Windows PC - Microsoft Support
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.
Applies To:
OneDrive (home or personal), OneDrive for Windows
Installing Microsoft Defender - Microsoft Support
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.
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Getting started with web protection in Microsoft Defender
Microsoft Defender's web protection helps protect you against malicious sites that are being used for phishing or spreading malware. Available on Windows, Android, and iOS.
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Windows
Remove specific prevalent malware with Windows Malicious Software ...
The Windows Malicious Software Removal Tool (MSRT) helps remove malicious software from computers that are running any of the following operating systems: Windows 10. Windows Server 2019. Windows Server 2016. Windows 8.1. Windows Server 2012 R2. Windows Server 2008 R2. Windows 7. Windows Server 2008.
How to start a scan for viruses or malware in Microsoft Defender
Select Quick scan. Tips: If you want a deeper scan, instead of selecting Quick scan in step 3, select Scan options and choose the type of scan you want. For the most complete scan, run Microsoft Defender Offline. For more about that see Help protect my PC with Microsoft Defender Offline.
Applies To:
Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
Request a refund for digital games | Xbox Support
Refunds for digital games include Microsoft Store digital game offers, Xbox apps (excluding movies and TV apps), digital gaming bundle offers, digital game durable content, and some digital game consumable content, whether made available through the Xbox console, on your PC, or on your mobile device.
How to remove malware or viruses from my Windows 10 PC
In Windows 10, Windows Defender and Windows Firewall helps protect your device from viruses and malware.
Virus & threat protection in Windows Security - Microsoft Support
Full scan. Scans every file and program on your device. Custom scan. Scans only files and folders that you select. Microsoft Defender Offline scan. Uses the latest definitions to scan your device for the latest threats.
Applies To:
Microsoft account dashboard
Stay protected with Windows Security - Microsoft Support
Select Start > Settings > Update & Security > Windows Security and then Virus & threat protection > Manage settings. (In early versions of Windows 10, select Virus & threat protection > Virus & threat protection settings .) Open Windows Security settings. Switch the Real-time protection setting to Off and choose Yes to verify.