Record a presentation - Microsoft Support
When you're ready, select the round, red Record button, wait for the countdown, then start speaking. To record from a specific slide, go to it, and then select Record.
Applies To:
PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016
Find lost files after the upgrade to Windows 10 or 11
If you've created a backup on an external storage device, you can use it to restore your files. In the search box on the taskbar, type Control Panel.Select it from the list of results, then select Backup and restore (Windows 7).Connect the external storage device that contains your recovery files.Select another backup to restore files from
Windows Installer 4.5 已推出 - Microsoft 支持
简介 . Microsoft Windows Installer 是 Windows 操作系统的一个组件。 Windows Installer 为安装和卸载软件提供标准基础。 软件制造商可以创建他们的产品安装程序来使用 Windows Installer，以便快捷轻松地进行软件安装、维护和卸载。
Microsoft Store 无法打开 - Microsoft 支持
另请参阅. 我无法从 Microsoft Store 找到或安装应用. 需要更多帮助吗？ 请联系支持人员. 有关技术支持，请转到联系Microsoft 支持，输入问题并选择“获取帮助”。 如果仍然需要帮助，请选择“联系支持人员”以转至最佳支持选项。
Windows 10 中的设备加密 - Microsoft 支持
它是否适用于我的设备？ BitLocker 加密适用于运行 Windows 10 或 11 专业版、企业版或教育版的受支持设备。 在运行 Windows 10 或更高版本的受支持设备上，首次登录个人 Microsoft 帐户（如 @outlook.com 或 @hotmail.com）或工作或学校帐户时，系统将会自动打开 BitLocker。
配置 Windows Hello - Microsoft 支持
Windows Hello 是登录到 Windows 设备的一种更个性化、更安全的方式。 在 Windows Hello 中，你可以使用面部识别、指纹或 PIN 登录，而不是使用密码。
Office installed with Click-to-Run and Windows Installer on same ...
For volume license versions of Project or Visio, use the Office Deployment Tool (ODT) to install a Click-to-Run version. If you have a volume license for Project 2016 or Visio 2016 and you’re trying to install the Click-to-Run version of Microsoft 365 Apps for enterprise, you can use the Office Deployment Tool to download and install the Click-to-Run perpetual (stand-alone) versions of ...
Applies To:
Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Click2Run, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Make older apps or programs compatible with Windows
Change the application's high-DPI scaling mode. In the High DPI scaling override area, select Override high DPI scaling behavior, and then try one of the following options:. Application – Disable all Windows scaling settings and only use the app developer's setting. This option was called Disable display scaling on high DPI settings in previous versions of Windows.
使用系统文件检查器工具修复丢失或损坏的系统文件 - Microsoft 支持
从屏幕右边缘滑入，然后点击“搜索”。 如果你使用的是鼠标，请指向屏幕右下角，然后单击“搜索”。在 “搜索 ”框中键入“命令提示符”，右键单击“ 命令提示符”，然后单击“ 以管理员身份运行”。如果系统提示你输入管理员密码或进行确认，则键入密码或单击“允许”。
Surface Laptop help & learning
Surface app. With integrated help and support, you can find solutions to questions and issues directly from the Surface app. You can easily access device, charging, and warranty information and view and customize your connected Surface accessories.