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.

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Learn how to update your security processor or TPM firmware to protect Windows 10 and your device from attacks by malicious software.

Check the Xbox services, games, and apps for any service outages.

Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.

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 We encourage you to install Microsoft Defender on at least five devices per person. Ready to give it ...

通过安装 Microsoft Defender，保护 Android、iPhone、Mac 和 Windows 设备免受威胁。 通过以下方式在设备上下载Microsoft Defender： 扫描以下 QR 码 在应用商店中搜索Microsoft Defender 与设备共享，链接如下： 复制链接 我们建议在每人至少五台设备上安装Microsoft Defender。 准备好了尝试一下吗？

Alpha Skip-Ahead Ring (2510.250916-1700) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Alpha Skip-Ahead ring today. Continue reading below to learn all about what's included with this update.

Applies to: Windows Server 2016 This security update includes fixes and improvements that are a part of the following update: November 11, 2025—KB5068864 (OS Build 14393.8594) The following is a summary of the issues that this update addresses. The bold text within the brackets indicates the item or area of the change we are documenting. [PowerShell 5.1] The Invoke-WebRequest command now ...