Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.

但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对使用。

Desinstalar desde el menú Inicio. Selecciona Inicio > Todas las aplicaciones y busca la aplicación en la lista que se muestra.

Note: The first time you use the DirectX Diagnostic Tool, you might be asked whether you want to check if your drivers are digitally signed.We recommend that you select Yes to help ensure that your drivers have been signed by a publisher that has verified their authenticity.

In het zoekvak naast Start op de taakbalk typt u Configuratiescherm.Selecteer Configuratiescherm in de lijst met resultaten.

Si vous installez Windows sur un nouvel appareil ou une carte mère pour la première fois et que vous n’avez pas de clé de produit, sélectionnez Je n’ai pas de clé de produit pendant les écrans d’installation. À l’invite, entrez le compte Microsoft à utiliser pour acheter une licence numérique pour cet appareil.

On the Choose an account screen, click the Microsoft account button.; On the Add your Microsoft account screen, enter the email address and password associated with your Microsoft account.; On the Make it yours screen, you'll have the option to make this Microsoft account your primary account. (This makes sign-in, settings, and syncing happen automatically for all other Microsoft services.)

Note: If you're using Microsoft 365, you should stay signed in so that Office stays activated.If you sign out, Office will prompt you to sign back in. To learn more, see What happens when you sign out of Office.

If your screen only has a Mini DisplayPort, you can set up the following connections—connect a USB-C to HDMI adapter to an HDMI cable then to an HDMI to Mini DisplayPort and then to your external screen. Keep in mind that the more adapters used, the more degraded the signal may get.

Windows 10 puts notifications and quick actions in Action Center—right on the taskbar—where you can get to them instantly. Select Action Center on the taskbar to open it. (You can also swipe in from the right edge of your screen, or press Windows logo key + A.). Notifications at a glance