Find your Windows product key - Microsoft Support
Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.
Applies To:
Microsoft account dashboard
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Windows Update Troubleshooter - Microsoft Support
If you get an error code while downloading and installing Windows updates, the Update Troubleshooter can help resolve the problem. Select Start > Settings > System > Troubleshoot > Other troubleshooters. Next, under Most frequent, select Windows Update > Run.
如何兑换礼品卡和代码 | Xbox Support
兑换礼品卡和充值码以进行 Xbox 购买和延长 Xbox 订阅。. 代码的长度为 25 个字符，包括数字和字母，并且采用横竖 5 个字符的 5x5 格式。. 代码可以是你从 Microsoft 或受信任的零售商处购买的数字卡或物理卡。. 请注意，如果帐户的未结余额或付款选项不再有效 ...
透過 Microsoft Rewards 獲得點數 | Xbox Support
Microsoft Rewards. 備註 若要完成 Microsoft Rewards 任務，您必須具備有效的 Xbox Game Pass 訂閱。. 從 Xbox Game Pass 遊戲庫玩遊戲時，Xbox Game Pass 任務是獲得點數的好方式：. 您可以在主機上的 Xbox Game Pass 下，以及行動裝置上 Xbox 應用程式中的 [設定檔] 下，尋找並提交每日 ...
Avoid and report Microsoft technical support scams
Report a scam. If you feel like you’ve been the target of a technical support scam, you can help Microsoft stop cybercriminals by reporting it. Learn more about avoiding technical support scams.
Xbox 付款错误消息和代码 | Xbox Support
如果你在尝试为购买付款时看到付款方式错误，请尝试使用其他付款方式。. 下面说明了如何更新支付方式：. 登录到要更新的 Microsoft 帐户。. Microsoft 帐户. 转到“付款和账单”，并选择“支付选项”。. 在“付款方式”下面，可以选择“添加新的付款方式 ...
Multiply and divide numbers in Excel - Microsoft Support
Calculation operators and order of operations. Create a simple formula to multiply and divide in an Excel spreadsheet. You can multiply two or more numbers in one cell or multiply and divide numbers using cell references. All formulas in Excel begin with an equal sign (=).
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
NAT type on Windows displays "Teredo is unable to qualify"
NAT type on Windows displays "Teredo is unable to qualify". If you can’t connect to an Xbox multiplayer game on Windows 10, go to Settings > Gaming > Xbox Networking. Look for NAT Type. If the status says Teredo is unable to qualify, it means your PC is unable to obtain a Teredo IP address.
KB5015684: Featured update to Windows 10, version 22H2 by using an ...
The enablement package is a great option for installing a scoped feature update like Windows 10, version 22H2 as it enables an update from version 2004, 20H2, 21H1, or 21H2 to version 22H2 with a single restart, reducing update downtime. This enables devices to take advantage of new features now.