查找 Windows 7 或 Windows 8.1 的产品密钥. 卸载或重新安装 Windows 7 或 Windows 8.1 时，通常需要产品密钥。. 通常，如果购买的是实物 Windows 拷贝，产品密钥应该在标签上或者在 Windows 随附包装盒中的卡上。. 如果 Windows 已预先安装在计算机上，产品密钥应显示在设备 ...

PowerPoint: Insert, select Symbols > Symbol. The Symbols button is on the far right end of the Insert toolbar tab. In the Font box, select Wingdings. In the Character code box at the bottom, enter: 252. In the grid of symbols, the check mark is selected. Another check-mark option is available two squares away from it (character code 254).

Note: Some versions of Project don't have an associated Microsoft account, or work or school account, or you need to redeem your product key in a different way.See the following if this is how you got your version of Project Professional 2021, Project Professional 2019, Project Standard 2021, or Project Standard 2019: Microsoft Workplace Discount Program (formerly known as Home Use Program ...

Select Start , and then select Power > Hibernate. Press the Windows logo key + X on your keyboard, and then select Shut down or sign out > Hibernate. Note: If devices connected to your PC (like monitors, printers, or scanners) aren't working properly after waking up from sleep or hibernate, you might need to disconnect and reconnect your device ...

To view them, right-click the desktop, select View, and then select Show desktop icons. To add icons to your desktop such as This PC, Recycle Bin and more: Select Start , open Settings , then under Personalization , select Themes . Under Themes, scroll down and select Desktop icon settings. Choose the icons you would like to have on your ...

Here's an example of how to use VLOOKUP. =VLOOKUP (B2,C2:E7,3,TRUE) In this example, B2 is the first argument —an element of data that the function needs to work. For VLOOKUP, this first argument is the value that you want to find. This argument can be a cell reference, or a fixed value such as "smith" or 21,000.

To see self-help answers, or to get support via email, Select Help from the top menu then Help. Open the Help pane. Enter your question or issue in the Search Help box on the right, and then press Return. If the self-help answers don't resolve your issue, try a different search, or scroll to the bottom of the Help pane and, under Still need ...

注: 一部のカメラは、[カメラ設定] ページに表示されません。これには、Windows Hello 顔認証に使用される赤外線 (IR) カメラ、DirectShow テクノロジを使用するカメラ (デバイスを Web カメラとして使用できるように DSLR やアクション カメラの製造元によって提供される多くのアプリなど)、産業用 ...

In the Settings app on your Windows device, select Accounts > Sign-in options or use the following shortcut: Sign-in options. 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.

To switch the keyboard layout you're using in Windows 10, press and hold the Windows key and then repeatedly press the Spacebar to cycle through all your installed keyboards. (If this doesn't do anything, it means you have only one installed.)