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 ...

安装或重新安装. 注意: 如果你已拥有 Microsoft 365 或 Office 许可证，则可以登录到 Microsoft帐户“服务 & 订阅”页，并安装你拥有的产品 () 。. 或者，如果要在现有或新的计算机上安装或重新安装 Microsoft 365 或 Office，请转到：. 对于 Microsoft 365 和 Office 2021 - 在电脑或 ...

可通过三种方法激活产品：通过 internet 联机激活、使用自动化系统通过电话激活，以及通过实时支持人员激活。. 联机： 当你开始激活时，Windows 将尝试使用你的 Internet 连接来联机激活。. 如果你在联机激活时遇到问题或者没有 Internet 连接，你可以通过手机激活 ...

From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options.

As you're getting your Microsoft 365 business subscription set up, you'll want to download and install your Microsoft 365 apps, like Word, Excel, Microsoft Teams, and PowerPoint, on your PC or Mac. Go to microsoft365.com and sign in with your Microsoft 365 account. Select Install apps.

使用工作或学校帐户登录到Outlook 网页版. 转到 outlook.office.com。. 如果未使用工作或学校帐户自动登录，请按照提示输入工作或学校帐户的电子邮件地址和密码。. 按照之前可能已为此帐户设置的任何双重身份验证提示进行操作。. 选择“ 登录 ”。. (如果已登录到 ...

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.

You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

Support for home products. Depending on your product and if it's still in support, Microsoft support experts are available to help you with a broad selection of support options and able to address product and service challenges for a more personalized experience. Chat or receive a call back from a technical support expert: If you have a Microsoft 365 Basic, Microsoft 365 Personal, or Microsoft ...

Make sure the device you want to install Windows 11 on meets the minimum system requirements. If your device is currently running Windows 10, we recommend you verify the minimum system requirements using the PC Health Check app. We do not recommend installing Windows 11 on a device that doesn't meet requirements.