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
如何卸载 Windows 更新 - Microsoft 支持
如果最近安装了 Windows 更新并且遇到问题，下面介绍如何卸载更新以尝试解决问题： 选择“开始” 按钮，然后选择“设置 >更新&安全 > Windows 更新> 查看更新历史记录 >卸载更新。 查看更新历史记录设置
How to download and install the latest printer drivers
If Windows Update finds an updated driver, it will download and install it, and your printer will automatically use it. If a device driver couldn’t be installed automatically, there may be an optional driver available that your printer can use.
Windows 中的恢复选项 - Microsoft 支持
你的电脑无法启动或仍在加载. 使用启动修复功能. 你的电脑无法启动，恢复驱动器尚未创建，并且初始化电脑不起作用. 使用安装媒体重新安装 Windows 11. 你的电脑无法启动，并且你未创建恢复驱动器. 使用安装介质还原电脑. 电脑无法启动，并且你已创建恢复驱动器
在 Web 上书写 - Microsoft 支持
Microsoft Edge 是唯一一个允许你直接在网页上做笔记、书写、涂鸦和突出显示的浏览器。 然后，你可以按所有常用方式保存和共享你的作品。
Skype help & learning
Get help and learn how to use Skype with Microsoft's official support page.
Get started with PowerPoint for the web - Microsoft Support
With PowerPoint for the web you create presentations right in your browser. Create and save your presentations in your OneDrive, and edit and share them online.
Applies To:
PowerPoint for the web
OneDrive release notes - Microsoft Support
Updated Files On-Demand settings on Windows.We are updating the OneDrive sync app advanced settings for Files On-Demand for users who have the feature enabled.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Microsoft 365 admin, OneDrive (work or school), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
在“开始”菜单中固定和取消固定应用 - Microsoft 支持
将你最常使用的应用固定到“开始”菜单。 操作方法如下： 从任务栏中选择"开始"，然后在列表中找到要固定的应用，或在搜索框中键入应用 名称进行搜索。
Saving credit or debit card info in Microsoft Edge
Saving to Microsoft account is currently available in US, AU, GB, CA, DK, FR, JP, MX, KR, BR, and will be available to more regions in the future.
Applies To:
Microsoft Edge