Download and install or reinstall Office 2019, Office 2016, or Office ...
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).
适用于:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
如何登录到 Hotmail - Microsoft 支持
登录到 Hotmail 或 Outlook.com. Hotmail 现在为 Outlook.com. 若要登录到 Hotmail，需要提供 Microsoft 帐户用户名和密码。. 登录. 提示: 登录时，如果你希望下次直接进入你的邮箱，请在“保持登录?”提示中选择“ 是 ”（对于共享计算机，不建议这样做）。. 或者，选中“不 ...
适用于:
Outlook.com
安装 Windows 11 的方法 - Microsoft 支持
Windows 11. 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 ...
重新激活 Microsoft 365 或 Office - Microsoft 支持
重新激活 Office 需要不同的步骤，具体取决于你的情况。 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 () 。 尝试安装引导演练： 尝试引导支持. 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 Mac 上下载并安装Microsoft 365 或 Office 2021。 对于 Office 2019、2016 或 2013 - 下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013。
适用于:
Office 2021, Office 2019, Office 2016, Office 2013, Microsoft 365 家庭版
Screen mirroring and projecting to your PC or wireless display
You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.
Download and install apps - Microsoft Support
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.
How to use the PC Health Check app - Microsoft Support
Windows 11. PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check.
为升级 Windows 11 准备就绪 - Microsoft 支持
在针对你的特定电脑测试和验证 Windows 11 升级后，Windows 更新将指示它已准备好安装。. 若要检查 Windows 11 是否已为你的设备准备就绪，请转到“ 开始 ” “ 设置 ”>“ 更新和安全性 ”>“ Windows 更新 ”，然后选择“ 检查更新 ”。. 如果升级适用于你的设备 ...
Manage user accounts in Windows - Microsoft Support
Learn how to add user accounts in Windows 10 and Windows 11. With an account, each person has separate files, browser favorites, and a private desktop.
How to check if your device meets Windows 11 system requirements after ...
Ways to install Windows 11. 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.