Learn how to find your Windows product key for activation or when to use a digital license instead.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

如何在 Windows 版 Xbox 应用中兑换代码. 按“开始”按钮 ，然后在“搜索”框中输入“Xbox”。. 从结果中选择 Xbox 应用以打开该应用。. 选择左上角的玩家图片，然后选择“设置”。. 在“兑换代码”下选择“兑换”。. 输入由 25 个字符组成的代码，选择 下一步 ...

注意 若要在 Game Bar 中使用许多 Xbox 功能，必须安装适用于 Windows 的 Xbox 应用并登录。 了解如何使用 Game Bar 捕获游戏过程、与好友聊天、跟踪成就等。

所有 Xbox 数字代码长度均为 25 个字符，包括数字和字母，并且采用五组字符（每组包含五个字符）格式 (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx)。 如果你尝试在 Windows 或 Xbox 设备上兑换代码，请确保已正确输入所有 25 位数字。 详细了解 Xbox 数字代码和礼品卡，以及如何解决兑换内容的问题。

Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.

瞭解如何在行動裝置、Windows 裝置或 Xbox 主機上兌換 Microsoft/Xbox 禮品卡或其他代碼。

Find out how to install Windows 11 on your device, whether you need to use Windows Update, Cloud download, or Local reinstall. Get tips and troubleshooting help from Microsoft Support.

Get started with Chat. Chat lets you connect with others, stay up to date on projects, and express yourself, whether you're in the office, at home, or on the go with the Microsoft Teams app. In Teams, you'll see three types of chats: One-on-one chats: to connect with people individually. Group chats: to speak with a group of people at the same ...