Summary This article explains how to activate Windows online or offline using an Installation ID and Confirmation ID across Windows 11, Windows 10, Windows 8.1/8, Windows 7, Windows Vista, and Windows XP. It explains online activation steps, offline activation through the Product Activation Portal, and three offline workflows: Activation page, SLMGR command prompt, and SLUI command prompt. It ...

Original publish date: July 14, 2026 KB ID: 5121391 In this article Summary Take action Expected secure state changes Opting out of automatic remediation Ownership failure event case (Event ID 1137) Save the previous SDDL (Recommended) How to restore the previous ACL Event references Change log Summary The Access Control List (ACL) on the Distributed Key Manager (DKM) container entered its ...

Find out what you need to do if your XBOX console is stolen, including how to secure your account.

PIN 可防止 XBOX 家庭组的成员覆盖家长控制，或在未经你许可的情况下以其他方式访问你的帐户。

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

控制器序列号的长度为 14 个字符，并且不包含短划线。 如果从未连接过控制器，或者在最近 48 小时内首次连接，则可能无法识别控制器序列号。 如果有 XBOX Elite 无线控制器系列 2，则 14 个字符的序列号位于控制器背面下方中间。

KB5012170: Security update for Secure Boot DBX Prerequisites Make sure you have the lastest servicing stack update (SSU) installed. For information about the latest SSU for your operating system, see ADV990001 | Latest Servicing Stack Updates. Restart information Your device does not have to restart when you apply this update. If you have Windows Defender Credential Guard (Virtual Secure Mode ...

If Secure Boot is not enabled, you can skip the update steps below as they are not applicable. How updates are deployed There are multiple ways to target devices for the Secure Boot certificate updates. Deployment details, including settings and events, will be discussed later in this document. When you target a device for updates, a setting is made on the device to indicate that the device ...

Learn what to do when you see error 0x87E107DF so you can launch a game on your XBOX One console.

为了帮助你更好地了解我们的流程，我们提供了每种强制措施类型的详细信息以及这些措施对你的 XBOX 档案或设备的影响。