To shut down Windows 8.1 or Windows RT 8.1, move your mouse to the lower left-hand corner of the screen and right-click Start or press the Windows logo key + X on your keyboard. Tap or select Shut down or sign out and choose Shut down. Sleep

Windows Hello 是登录到 Windows 设备的一种更个性化、更安全的方式。 在 Windows Hello 中，你可以使用面部识别、指纹或 PIN 登录，而不是使用密码。 这些选项有助于更轻松地登录电脑，因为你的 PIN 仅与一台设备相关联，并且它已使用 Microsoft 帐户进行 ...

match_mode Specify 1 to perform a case-insensitive match. Defaults to 0, which does a case-sensitive match. Optional. pad_with The value with which to pad the result. The default is #N/A. Remarks. If there is more than one delimiter, then an array constant must be used. For example, to split by both a comma, and a period, use =TEXTSPLIT(A1

注意: 使用安装介质重新安装Windows 11，同时选择“不保留任何内容” (干净安装) ，如果重新安装 Windows 的分区为 20GB 或更大，则将自动启用保留存储。保留存储空间将留出磁盘空间以供更新、应用、临时文件和系统缓存使用，因此可确保关键的操作系统功能始终可以访问磁盘空间，从而改进了电脑 ...

In the Scheduling Assistant, either click the box under your name and type an attendee's name or email address or click the Add Attendees button to bring up your address book.. Select the icon next to the attendee's name in the Scheduling Assistant to mark a specific attendee as a Required Attendee,Optional Attendee, or a Resource.When you start typing a attendee's name, Outlook will provide ...

Under Ways to sign in , you have three choices to sign in with Windows Hello:. Select Facial recognition (Windows Hello) to set up facial recognition sign-in with your PC's infrared camera or an external infrared camera

Troubleshooting: I don't see Automatic Replies. If you don't see Automatic Replies after selecting File, you're probably using a Gmail, Yahoo, or other POP or IMAP account that doesn't support the Outlook Automatic Replies feature.You can set up a rule that will reply to incoming messages—if you leave Outlook running while you're away.

The day is given as an integer, ranging from 1 (Sunday) to 7 (Saturday), by default. Syntax. WEEKDAY(serial_number,[return_type]) The WEEKDAY function syntax has the following arguments: Serial_number Required. A sequential number that represents the date of the day you are trying to find. Dates should be entered by using the DATE function, or ...

Windows 7 또는 Windows 8.1의 제품 키 찾기 Windows 7 또는 Windows 8.1을 제거하거나 다시 설치하는 경우 제품 키가 필요합니다. 일반적으로 Windows의 실제 복사본을 구매한 경우 제품 키는 Windows가 들어 있던 상자 안쪽의 레이블 또는 카드에 있습니다.

如果出现“让我们开始吧”屏幕，其中包含试用、购买或激活 Office 的选项，这意味着新电脑安装的 Office 为 Microsoft 365 家庭版 1 个月试用版。只有支付 Office 产品密钥卡的相关费用，才会从电脑制造商处收到密钥。 你可开始试用 Microsoft 365 家庭版，也可购买 Office。