To check for updates, select Start > Settings > Windows Update , then select Check for updates. If updates are available, you can choose to install them. Check for updates. If you run into problems updating your device, including problems with previous major updates, see common fixes at Troubleshoot problems updating Windows.

This article applies if you’ve recently made changes to your device hardware and are trying to upgrade to Windows 11. Hardware changes might affect your upgrade eligibility, though you’ll need to take a few steps to see your updated eligibility in Settings.

Microsoft Edge基于Chromium，比 Internet Explorer 和 Microsoft Edge 旧版 更快、更安全、更现代的浏览体验。. 有关详细信息，请参阅 工作Microsoft Edge功能 。. 此外，Microsoft Edge将很快成为唯一支持Microsoft 365 Web 应用和服务的 Microsoft 浏览器。. 对Microsoft Edge 旧版的支持于3月9 ...

若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：. 选择“ 开始 ” ，然后打开“ 设置 ” 。. 在“ 隐私和安全 ” 下面，选择“ Windows 安全 ” >“ 防火墙和网络保护 ”。. 打开 Windows 安全中心设置. 选择网络配置文件： 域网络 、 专用网络 或 公用网络 ...

When you accidentally delete an email message in Outlook, you can recover the message if it's still in your Deleted Items folder. In some cases, you can even recover items after the Deleted Items folder is emptied. You can also recover a deleted folder (with all of its messages) if it's still in your Deleted Items folder.

DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。 某些应用程序和游戏需要 DirectX 9。 但是，你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏，你可能会收到错误消息“无法启动 ...

如果运行的是 Windows 10、Windows 8.1 或 Windows 8，请先运行收件箱部署映像服务和管理 (DISM) 工具，然后再运行系统文件检查器。. (如果运行的是 Windows 7 或 Windows Vista，请跳到步骤 3.) 键入以下命令，然后按 Enter： 完成命令操作可能需要几分钟时间。. DISM.exe /Online ...

Select Install apps. Follow the instructions in the browser to download the installer and start your installation. Tip. As your apps are installing you might see the User Account Control prompt pop up and ask Do you want to allow this app to make changes to your device? Select Yes. Close the installer window after it's finished.

Select Add Account , select a suggested account from the dropdown menu or enter a different email address, and select Continue. If prompted, enter your password for the account and select Done. In the Email accounts section, find the account you want to delete or manage, and then beside the account name, select Manage.

使用 CONCAT 函数合并数据. 选择要放置合并后数据的单元格。. 键入“ =CONCAT ( ”。. 首先选择要合并的单元格。. 使用逗号分隔要合并的单元格，使用引号添加空格、逗号或其他文本。. 在公式末尾添加括号，然后按 Enter。. 示例公式可能是“ =CONCAT (A2, " Family") ”。.