Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

Codecs in Media Player. Windows 11 Windows 10. Codecs allow you to play different formats of audio and video files. Media Player supports a wide variety of codecs. Most are included out of the box; some additional codecs can be installed from the Microsoft Store.

Office 2019 or 2016 for PC Office 2016 for Mac Office 2013 for PC. Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

下面是如何分别构造 AND 、 OR 和 NOT 函数的概述。. 当将它们分别与 IF 语句组合使用时，应按如下方式表达：. AND – =IF (AND (Something is True, Something else is True), Value if True, Value if False) OR – =IF (OR (Something is True, Something else is True), Value if True, Value if False)

Installing Windows 11 on devices that don't meet minimum system requirements. If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

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") ”。.

Non-admin user of a business account? Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013. 如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转 ...

将必应作为默认搜索引擎，将增强在 新版 Microsoft Edge 中的搜索体验，包括直接指向 Windows 应用的链接、来自组织的相关建议（如果使用工作或学校帐户登录），和有关 Windows 的问题的即时解答。. 但是，你可以将默认搜索引擎更改为使用 OpenSearch 技术的任何站点 ...