Updates for Windows Server 2022. Windows Server 2022 is the latest release in our Long-Term Servicing Channel (LTSC). It builds on Windows Server 2019, our fastest adopted Windows Server ever. This release includes advanced multi-layer security, hybrid capabilities with Azure, and a flexible platform to modernize applications with containers.

Smart App Control adds significant protection from new and emerging threats by blocking apps that are malicious or untrusted. Smart App Control also helps to block potentially unwanted apps, which are apps that may cause your device to run slowly, display unexpected ads, offer extra software you didn't want, or do other things you don't expect ...

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

选择你需要帮助的产品. 我们将首先向你显示自助选项。. 其他帮助也可提供，包括与 Microsoft 专家的实时聊天。. 联系 Microsoft 支持人员。. 查找常见问题的解决方案，或从支持专员那里获取帮助。.

安装 Windows 7 Service Pack 1 (SP1) Windows 7 支持已于 2020 年 1 月 14 日结束。. 我们建议你转到 Windows 11 电脑来继续从 Microsoft 接收安全更新。. 获取 SP1的推荐（并且最简单）方法是在“控制面板”中的“Windows 更新”中打开自动更新，然后等待 Windows 7 通知你 SP1 已准备 ...

Simply select a cell in a data range > select the Analyze Data button on the Home tab. Analyze Data in Excel will analyze your data, and return interesting visuals about it in a task pane. If you're interested in more specific information, you can enter a question in the query box at the top of the pane, and press Enter.

Windows 中的屏幕闪烁问题通常是由显示驱动程序导致的。. 若要更新显示驱动程序，需要在安全模式下启动电脑、卸载当前的显示适配器，然后检查驱动程序更新。. 在安全模式下启动电脑, 然后选择并长按 (或右键单击) “ 开始 ” ，然后选择“ 设备管理器 ...

To check if Windows 11 is ready for your device, go to Start > Settings > Update & Security > Windows Update and select Check for updates. If the upgrade is available for your device and you want to proceed, download and install it. Note: Downloading and installing Windows 11 will most likely take longer than a typical Windows 10 feature update.

開始する前に、Windows 11 PC が Bluetooth をサポートしていることを確認します。 確認方法の詳細については、「Windows の Bluetooth の問題を解決する」を参照してください。 Bluetooth 機能を備えていないデバイスの追加についてのヘルプは、「Windows PC にデバイスを追加する」を参照してください。

Issues that are fixed in this update. The following issues are fixed for .NET Framework 4.7.2. SQL Server (SQL) Fixes an issue in which the .NET Framework API SqlConnection.ConnectionString property is used to set a null or empty connection string. In this situation, a Null Reference Exception (NRE) occurs when you use the API together with .NET Framework 4.7.2.