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Fix Wi-Fi connection issues in Windows - Microsoft Support
Run Get Help to troubleshoot and fix common connection problems. Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet. Make sure Wi‑Fi is turned on. Select the No internet icon on the right side of the taskbar, and make sure Wi-Fi is turned on.
Xbox Support
Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.
在 Windows 中管理用户帐户 - Microsoft 支持
了解如何在 Windows 10 和 Windows 11 中添加用户帐户。 有了帐户之后,每个人都可拥有单独的文件、浏览器收藏夹和私人桌面。
Check your network connection status - Microsoft Support
Windows 11 lets you quickly check your network connection status. Select the Start button, then type settings. Select Settings > Network & internet. The status of your network connection will appear at the top.
Upgrade to Windows 10: FAQ - Microsoft Support
An upgrade moves your PC from a previous version of Windows—such as Windows 7 or Windows 8.1—to Windows 10. An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements. This FAQ is intended to answer questions about upgrading to Windows 10.
Fix problems with apps from Microsoft Store
Select Start > Settings > Windows Update > Check for updates. If there is an available update, select Install now. Check for updates. Make sure that your app works with Windows 11. For more info, see Your app doesn't work with Windows. Update Microsoft Store. Select Start, then from the apps list, select Microsoft Store.
Download printer drivers in Windows - Microsoft Support
Download printer drivers in Windows. If your printer isn't responding, you may need to remove it and reinstall it so Windows can download and install the proper drivers. Make sure your printer is on and connected to your PC. Open Start > Settings > Bluetooth & devices > Printers & scanners . Select the name of the printer, and then choose Remove.
Keyboard shortcuts in Microsoft 365 - Microsoft Support
Keyboard shortcuts for Visio. Keyboard shortcuts for Sway. Keyboard shortcuts for Delve. Keyboard shortcuts for the File menu in Microsoft 365 for Windows. Keyboard shortcuts for SmartArt graphics in Microsoft 365 for Windows. Use a keyboard to customize the Quick Access Toolbar. Use the keyboard to work with the ribbon.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Project Online Desktop Client, Visio Plan 2, Visio in Microsoft 365, Visio Plan 1, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Excel for iPhone, Word for iPhone, PowerPoint for iPhone, Excel for Android phones, Outlook Calendar for Windows 10, Outlook Mail for Windows 10, PowerPoint for Android phones, Word for Android phones
Office cheat sheets - Microsoft Support
Office cheat sheets. Get up to speed in minutes, quickly refer to things you’ve learned, and learn keyboard shortcuts. If you have trouble viewing these PDFs, install the free Adobe Acrobat Reader DC. Outlook Mail for Windows. Outlook Calendar for Windows. Outlook Mail on the web.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 for home, Office for business, Office 365 Small Business
Office 2021 and Office LTSC for Windows and Mac FAQ
Find answers to frequently asked questions about Office 2021 and Office LTSC for Windows and Mac on the official support page.
Applies To: Office 2021, Office 2021 for Mac