Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.

sum_range Optional.The actual cells to add, if you want to add cells other than those specified in the range argument. If the sum_range argument is omitted, Excel adds the cells that are specified in the range argument (the same cells to which the criteria is applied).. Sum_range should be the same size and shape as range.If it isn't, performance may suffer, and the formula will sum a range of ...

On another Windows PC or other device, connect to Wi-Fi as you normally would, and enter your Wi-Fi password when prompted. For more info about connecting to Wi-Fi, see Connect to a Wi-Fi network in Windows.

若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。

Method. Used for. Authenticator app. Two-factor verification and password reset authentication. Text messages. Two-factor verification and password reset authentication.

Dans la plupart des cas, il vous suffit de connecter le scanneur à votre appareil pour l’installer. Branchez le câble USB de votre scanneur sur un port USB disponible sur votre appareil, puis allumez le scanneur.

Alternatively, you can install any website by going to the top corner of the browser and select Settings and more … > Apps > Install this site as an app.

Try it! Universal search. Select Search on the taskbar or press Windows logo key + S, then type what you want to find.You'll get personalized search results for people, email, and files in local and shared sites, or from the web. Desktop groups

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

If you receive an email notifying you of unusual activity, you can see when and where your account has been accessed—including successful sign-ins and security challenges—on the Recent activity page. Microsoft learns how you usually sign in to your account and flags events that are suspicious.