Product activation for Windows – online & support telephone numbers
To activate Windows 10 using an internet connection: As Windows 10 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > Update & Security > Activation and looking under Windows.. If online activation fails, first try the activation troubleshooting in Activate Windows 10.
Snap your windows - Microsoft Support
The Snap feature is a great way to improve your productivity by sharing many app windows in a single screen. Different layouts are available with many sizes to choose from, so you can get the most from your favorite apps when you are working on specific tasks.
KB4023057: Update Health Tools—Windows Update Service components
Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.Therefore, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.
AVERAGE function - Microsoft Support
Syntax: AVERAGE(number1, [number2], ...) Tip: When you average cells, keep in mind the difference between empty cells and those containing the value zero, especially if you have cleared the Show a zero in cells that have a zero value check box in the Excel Options dialog box in the Excel desktop application. When this option is selected, empty cells are not counted, but zero values are.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Solve PC problems over a remote connection - Microsoft Support
Use the Windows Quick Assist app to get help with a computer problem from family or friends or help them out. Quick Assist uses a remote connection, so remember to only use it with people you trust, since they can see your computer screen or control your PC (if you allow it).
激活 Office - Microsoft 支持
如果新电脑上预安装了 Microsoft 365，则必须启动 Microsoft 365 家庭版 试用版或购买 Microsoft 365 才可继续使用 Microsoft 365。 注意: 如果正在 Windows 7 上运行 Microsoft 365(不再受支持，请参阅 Windows 7 终止支持和 Office )，则需要确保已默认启用 TLS 1.2。
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, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
Protect yourself from tech support scams - Microsoft Support
The classic cold-call scam. The scammers call you and claim to be from the tech support team of Microsoft or another company. They offer to help solve your computer "problems".
Use Game Bar to play and chat with friends | Xbox Support
Note To use many of the Xbox features within Game Bar, including Xbox Social features, you must have the Xbox app for Windows installed. To use Xbox Social features, sign in to Game Bar with your Microsoft account. Press the Windows logo key + G to open Game Bar, choose Settings > Accounts, select Sign in, and then follow the steps.
修复 Windows 中的蓝牙问题 - Microsoft 支持
如果上述步骤都不能修复你的蓝牙问题，请使用 Windows 反馈中心报告错误。 这可帮助 Microsoft 确定此问题的根本原因。
Windows 10 2021 Windows 11 (2021 年 10 月) 客户端映像和原始版本
名称. 版本. KB. 拱门。 语言. 版次.NET 版本 大小. 自定义. Windows 10 专业版，版本 1809. 17763.2237.211007-0715. 累积 KB 5006672.NET KB 5004335. SetupDU KB 5005545. SSU KB - 在 LCU 中