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 ...

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

Learn how to manage the privacy settings for your apps on Xbox.

Learn how to identify and open encrypted and protected emails no matter what email client you're using.

Learn how to fix error 0x800705b4 so you can start an Xbox One game or app after you update the app.

You can often view a protected file by simply opening it. For example, you might double-click an attachment in an email message, a document in File Explorer, or a link to a file and be able to open the protected file. If you are trying to open a protected file that has a .pfile name extension, like a .ppng, you will need to use the Microsoft Purview Information Protection viewer or the Azure ...

Error code 101 means there is a problem related to connecting to the Xbox servers. Find out how to fix error code 101.

Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or ...

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

启用双重验证 或设置 Authenticator 应用 后，如果使用较旧的设备 (（如 Xbox 360）或不支持双重验证的邮件发送安全摄像头) ，可能会遇到问题。 对于这些设备，可以改为使用应用密码登录。 应用密码是随机生成的长密码，在登录不支持双重验证的应用和设备时，你只需提供一次此密码而非常规密码 ...