Excel 培训列表，从入门级别到高级技能，以及模板和其他资源。

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“无法启动此程序，因为计算机中丢失 d3dx9_35.dll。

什么是安全密钥？ 目前，我们支持使用 Fast Identity Online (FIDO2) 无密码身份验证协议的多种安全密钥设计和提供程序。 借助这些密钥，你可以在受支持的设备和 Web 浏览器上登录工作或学校帐户，以访问组织的基于云的资源。

登录到 microsoft365.com 以查看Microsoft 365 工作或学校帐户。 登录. 安装和管理应用。 在 Office 应用 卡上，选择“ 管理”，然后选择“ 安装 ”以安装或重新安装最新的桌面应用或其他应用，例如 Project 或 Visio 。(只要管理员 为你分配了许可证 并授予你自安装的权限，安装选项就可用。

To edit a PDF, open it in Word. This works best with PDFs that are mostly text. PDFs of book chapters or something that looks like a manuscript from a copier won't be formatted well in Word.

Windows Update downloads updates for Windows Security automatically to help keep your device safe and protect it from attacks. Check for Windows updates

Tools for easier reading, more natural writing. Whether you're reading and writing in a language you're not familiar with, or just want to make reading easier, Word 2019 can improve your ability to communicate and absorb information.

To resize the image, select the image to see drag handles appear around the image. Move the drag handles to resize the image as necessary. Select the Picture Format tab on the ribbon, then use the options on it to format your image. For example, you can apply a style or a border to the image.

Visio is a diagraming tool that makes it easy and intuitive to create flowcharts, diagrams, org charts, floor plans, engineering designs, and more by using modern templates with the familiar Office experience. On this page, you can access some of the top templates and sample diagrams available in Visio, or request ones that you want. To see the hundreds of templates and sample diagrams ...

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