Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

在 Windows 11 中查找操作系统信息 要查找设备运行的 Windows 版本，请按 Windows 徽标键 + R ，并在“ 打开 ”框中键入“ winver ”，然后选择“ 确定 ”。

安装此程序包时，将根据您的操作系统安装以下程序包或更新：. 在 Windows 7 Service Pack 1 (SP1) 和 Windows Server 2008 R2 SP1 上，.NET Framework 4.7.2 作为已安装的产品列在“控制面板”中的 程序和功能 项目下。. 在 Windows Server 2012 中，Microsoft Windows (KB4054542) 更新列在 控制 ...

What is TPM? A TPM (Trusted Platform Module) is used to improve the security of your PC. It's used by services like BitLocker drive encryption , Windows Hello, and others, to securely create and store cryptographic keys, and to confirm that the operating system and firmware on your device are what they're supposed to be, and haven't been ...

The enablement package is a great option for installing a scoped feature update like Windows 10, version 22H2 as it enables an update from version 2004, 20H2, 21H1, or 21H2 to version 22H2 with a single restart, reducing update downtime. This enables devices to take advantage of new features now. For version 2004, 20H2, 21H1, and 21H2 devices that receive updates directly from Windows Update ...

Request an Xbox controller replacement If your controller isn’t working and needs replacing, enter the controller’s serial number at the bottom of this page. You can find the serial number inside the battery compartment, below the barcode.

Microsoft account Microsoft アカウントを使用すると、1 回のログインだけで Microsoft 製品やサービスにアクセスできます。 新しい Microsoft アカウントを作成して Microsoft サービスを使用する方法について説明します。

Surface models that can be upgraded to Windows 11. These devices came with Windows 10 installed but are also compatible with Windows 11. Newer Surface devices are compatible with Windows 11 and come with it already installed. Surface Book 2 (on 8th Gen Intel® Core™ i5-8350U or i7-8650U processor only)

Summary This update automatically applies Safe OS Dynamic Update ( KB5034235) to the Windows Recovery Environment (WinRE) on a running PC to address a security vulnerability that could allow attackers to bypass BitLocker encryption by using WinRE. For more information, see CVE-2024-20666.

如果无法登录到Microsoft帐户，大多数问题都可以通过登录帮助程序工具进行识别。. 该工具将要求你输入尝试登录时使用的电子邮件地址或移动电话号码，并检查你提供的详细信息。. 如果我们检测到你的帐户有问题，我们会告诉你需要执行哪些操作来解决问题 ...