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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
Recovery options in Windows - Microsoft Support
Your PC isn't working well and you recently installed an app. Restore from a system restore point. You suspect your device has been infected. Use installation media to reinstall Windows 11. Select one of the recovery options below and follow the steps to try to get things working again.
Avoid and report Microsoft technical support scams
If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your “issue” fixed, it’s better to be safe and not click any links or provide any personal information.
KB5015684: Featured update to Windows 10, version 22H2 by using an ...
If a device is updating from Windows 10, version 1909 or an earlier version, this feature update enablement package cannot be manually installed. Instead, it is bundled and automatically included with the feature update to Windows 10, version 22H2.
获取有关数字代码或礼品卡的帮助 | Xbox Support
所有 Xbox 数字代码长度均为 25 个字符,包括数字和字母,并且采用五组字符(每组包含五个字符)格式 (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx)。. 如果你尝试在 Windows 或 Xbox 设备上兑换代码,请确保已正确输入所有 25 位数字。. 若要了解有关 Xbox 礼品卡和代码的详细信息,请 ...
Microsoft 繁體中文輸入法 - Microsoft Support
選取 開始 ,然後選取 設定 > 語言&語言> 語言&區域 。. 向下卷起並 選取下列其中一項:. 中文 (繁體,台灣) 中文 (繁體,香港特別行政區) 中國 (傳統、澳門特別行政區) 選取 語言選項 。. 在鍵盤 區段 ,選取 Microsoft Bopomofo 。. 附註: 如果您沒看到此選項,您可以 ...
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
下面是如何分别构造 AND 、 OR 和 NOT 函数的概述。. 当将它们分别与 IF 语句组合使用时,应按如下方式表达:. AND – =IF (AND (Something is True, Something else is True), Value if True, Value if False) OR – =IF (OR (Something is True, Something else is True), Value if True, Value if False)
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, Excel Web App, Excel for Windows Phone 10
将两个或更多个单元格的文本合并到一个单元格 - Microsoft 支持
使用 & 号组合数据. 选择要放置合并后数据的单元格。. 键入“=”,然后选择要合并的第一个单元格。. 键入“ & ”,然后使用引号(中间有一个空格)。. 选择要合并的下一个单元格,然后按 Enter。. 示例公式可能是“ =A2&" "&B2 ”。.
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, Excel Mobile
Microsoft Edge でパスワードを保存または削除する
Microsoft Edge を使用すると、Web を参照するときにパスワードを簡単に保存できます。. デスクトップまたはモバイル デバイスの Edge ブラウザーで新しいパスワードを入力すると、ユーザー名とパスワードを記憶するかどうかを Microsoft Edge から確認する ...
如何登入 Hotmail - Microsoft Support
Hotmail 現在為 Outlook.com. 若要登入 Hotmail,您將需要您的 Microsoft 帳戶使用者名稱和密碼。. 提示: 登入時,如果您下次想要直接移至信箱,請在 [保持登入?] 提示中選取 [是] (不建議用於共用電腦)。. 或者,選取 [不要再顯示這個] 方塊,然後選取 [否] ,這樣每次 ...
Applies To: Outlook.com