If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track. Run the System File Checker tool (SFC.exe)

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 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.

Unlink a device in the Phone Link. To successfully remove a device, follow the steps below. You'll need to complete all steps for both your Android device and your PC in order to successfully unlink your device.

SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.

Help for admins of small businesses. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

如果Microsoft 365 应用程序（如 Word 或 Excel）无法正常工作，有时重启会解决问题。. 如果这不起作用，你可以尝试修复它。. 完成后，你可能需要重新启动计算机。. Windows 10 Windows 11. 访问修复工具的步骤因操作系统的不同而异。. 右键单击左下角) (“开始” 按钮 ...

Windows 11 Windows 10. 激活有助于验证你的 Windows 副本是否为 正版 ，并且未在超过Microsoft软件许可条款允许的设备上使用。. 在以下视频中观看如何激活 Windows。. 播放视频时遇到问题？. 在 YouTube 上观看。. 激活 Windows 时遇到问题？. 首先，在“获取帮助”应用中尝试 ...

If you need to reinstall Office, select the version you want to install and follow those steps: Microsoft 365, Office 2019, Office 2016, Office 2013, Office 2010, or Office 2007. How to uninstall Office automatically.

Below we describe how to install the desktop app that is included with Visio Plan 2, and non-subscription versions of Visio Professional or Visio Standard 2021, 2019, or 2016. If you have Visio Plan 1 see the steps under the tab Visio for the web.