Learn more about product keys, Workplace Discount Program, and volume licenses. Some Office 2019, Office 2016, and Office 2013 products come with a product key. If yours did, before installing Microsoft 365 for the first time, sign in with an existing or new Microsoft account and enter your product key at office.com/setup.

下载并安装应用. 设置 Microsoft 365 商业版订阅后，需要在电脑或 Mac 上下载并安装 Microsoft 365 应用，如 Word、Excel、Microsoft Teams 和 PowerPoint。. 转到 microsoft365.com 并使用 Microsoft 365 帐户登录。. 选择 “安装应用”。. 按照浏览器中的说明下载安装程序并开始安装 ...

Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac. Set up Office apps and email on a mobile device. Small business help and learning. Learn how to download and install apps you need from your Microsoft 365 business subscription.

Before you begin, make sure your PC or Mac meets the system requirements. If you already redeemed a product key, you're simply reinstalling the apps, or you know you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and install Microsoft 365 or Office.

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，请转到“ 登录并安装 Office ”的部分。. 提示: 如果你是小型 ...

Applies To. 本文介绍安装 Windows 11 的方法。. 注意: 若要升级到 Windows 11，设备必须满足 Windows 11 的最低系统要求。. 某些 Windows 10 的功能在 Windows 11 中并不适用。. 体验某些 Windows 11 功能和应用程序的系统要求将超过 Windows 11 的最低系统要求。. 查找 Windows 11 规范 ...

体验某些 Windows 11 功能和应用程序的系统要求将超过 Windows 11 的最低系统要求。. 查找Windows 11规格、功能和计算机要求. 若要检查目前的 Windows 10 电脑是否能运行 Windows 11，一旦电脑健康检查应用程序可用，请下载它。. 下载电脑运行状况检查. 有关系统要求的 ...

Contact us. Sign in so we can get you the right help and support. Select the product you need help with. We'll show you self-help options first. Additional help is available if you need it, including live chat with a Microsoft specialist. Microsoft 365. Office. Windows. Xbox. Surface devices. Copilot. Dynamics 365. Intune. Azure. Server products.

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。. 使用逗号分隔要组合的单元格，使用引号添加空格、逗号、其他文本或和号 (&) 要组合的下一个单元格。. 关闭带括号的公式，然后按 Enter。. 示例公式 ...

This article describes ways to install Windows 11. Note: To upgrade to Windows 11, devices should meet the Windows 11 minimum system requirements. Some Windows 10 features aren't available in Windows 11. System requirements to experience some Windows 11 features and apps will exceed the Windows 11 minimum system requirements.