This cumulative update for Windows 11, version 25H2 and 24H2 (KB5077181), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained ...

Developers have made amazing games and content for the Xbox network. To protect customers and developers, we provide a safe and secure way to make purchases in the Microsoft Store. To maintain this security, Xbox monitors for instances of marketplace theft or solicitation from the Xbox community.

如果你怀疑你的设备可能有恶意软件，你应该Microsoft Defender运行扫描。 下面介绍如何在 Windows、Mac 或 Android 上执行此操作。

Learn how to prevent unauthorized purchases on your Xbox by creating Microsoft accounts for every person who uses that console.

A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

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 ...

Xbox Support ... Xbox Support

Learn how to protect your PC, identity, and data from tech support scams.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Find all release notes for the Xbox Update Preview Alpha ring here.