AND 和 OR 函数最多可支持 255 个单独条件，但并不建议使用多个条件，因为构建、测试和维护复杂的嵌套公式是非常难的。. NOT 函数仅采用一个条件。. 下面是根据它们的逻辑写出的公式：. 公式. 说明. =IF (AND (A2>0,B2<100),TRUE, FALSE) 如果 A2 (25) 大于 0，并且 B2 (75 ...

To find the link for the driver you need, select the dropdown list below and then scroll through it to find the type of Surface you have. After you've selected it, you'll see the available links for that type of Surface device model. Select the link for your model to get the latest firmware and drivers for sound, display, ethernet, and Wi-Fi.

64-bit install. Insert the Office 2010 disc into the drive. Click the file folder icon on the taskbar or press ⊞ Win + E keys on your keyboard, and then right-click the disc drive icon and select Open. Open the x64 folder in the installation root, and then double-click setup.exe. When prompted, enter the product key.

Most tools and options in Microsoft Edge are available when you select Settings and more > Settings.

Adding an input language lets you set a language-preference order for websites and apps. It also lets you change your keyboard language. Select Start > Settings > Time & language > Language & region. Under Preferred languages, select the language that contains the keyboard you want, and then select Options. Select Add a keyboard and choose the ...

Windows 激活方法. 取决于你获取 Windows 11 副本的方式，你需要数字许可证或由 25 个字符组成的产品密钥才能激活该副本。. 如果二者都不具备，则无法激活你的设备。. 数字许可证（在 Windows 11 版本中称为数字授权）是 Windows 11 的一种激活方法，该方法不需要输入 ...

Rip CDs. When you rip music from a CD, you're copying songs from an audio CD to your PC. During the ripping process, the Player compresses each song and stores it on your drive as a Windows Media Audio (WMA), WAV, or MP3 file. Ripped files are automatically saved to the Music folder, but you can change the location using the options on the Rip ...

To check for updates, select Start > Settings > Windows Update , then select Check for updates. If updates are available, you can choose to install them. Check for updates. If you run into problems updating your device, including problems with previous major updates, see common fixes at Troubleshoot problems updating Windows.

Um sich abzumelden, wechseln Sie zu Outlook.com. Wählen Sie ihre Kontoinitialen oder ihr Kontobild in der oberen Ecke Ihres Posteingangs aus. Wählen Sie Abmelden aus. Tipps: Wenn Ihr Bild am oberen Bildschirmrand nicht angezeigt wird, überprüfen Sie, ob ein Werbeblocker aktiviert ist. In einigen Fällen wird dadurch die Anzeige des Bilds ...

Select the Start button, then type control panel in the search box next to the Start button on the taskbar and select Control Panel (Desktop app) from the results. Search Control Panel for Recovery, and select Recovery > Open System Restore > Next . Choose the restore point related to the problematic app, driver, or update, and then select Next ...