Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

See how Xbox cloud gaming works on Android, Apple, and Windows devices, as well as Xbox consoles and Samsung smart TVs.

需要有关 Xbox 主机、Xbox 游戏或 Xbox 网络的帮助?了解如何与我们联系。

如果知道用户名和密码但已停止工作，请阅读 我的用户名和密码已停止工作。. 如果你忘记了 Microsoft 帐户用户名或电子邮件地址， 并且 之前已在 Microsoft 帐户上设置了其他 安全信息 ，请按照以下步骤操作。

Press the Start button , and then enter store into the search bar.; Choose Microsoft Store from the results to open the app.; Select your account in the top-right corner of the screen, and then select Redeem code or gift cards.; Enter the 25-character code, select Next, and then follow the prompts.

Having a backup copy of your BitLocker recovery key helps to prevent serious issues later. It takes less than a minute to back up your key and this article will show you how.

You can apply sensitivity labels to your files and emails to keep them compliant with your organization's information protection policies. Sensitivity labels are configured by your administrator and because they're published to users rather than locations such as sites and mailboxes, users in the same organization might see different sensitivity labels to apply.

Note In addition to the DefaultSecureProtocols registry subkey, the Easy fix also adds the SecureProtocols at the following location to help enable TLS 1.1 and 1.2 for Internet Explorer.. The SecureProtocols registry entry that has value 0xA80 for enabling TLS 1.1 and 1.2 will be added in the following paths: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings

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

安装 Windows 11. 在针对你的特定电脑测试和验证 Windows 11 升级后，Windows 更新将指示它已准备好安装。 若要检查 Windows 11 是否已为你的设备准备就绪，请转到“开始” “设置” >“更新和安全性” >“Windows 更新” ，然后选择“检查更新”。 如果升级适用于你的设备，并且想要继续，请下载并安装它。