Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

If your PC has a built-in camera or a connected webcam, you can use the Camera app to take photos and videos. To find the Camera app, select Start > Camera.. Select any heading below.

通过将数字更改为日期来自动停止 Excel 的日期输入。 输入数字之前，您可将单元格设置为文本格式。 或者如果您只使用几个数字，在数字之前输入空格或撇号。

When you first sign into Microsoft Defender on Android, we'll walk you through a few easy steps that start with setting up web protection.During this process, we'll ask you to give Defender permission to do two things: run in the background and use the Accessibility Service.

通过使用“高级”选项卡中的选项，或者使用数字格式、条件格式、函数以及在数据透视表中隐藏零值的方式，可以在 Excel 工作表中隐藏或显示零值。

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

To resize the image, select the image to see drag handles appear around the image. Move the drag handles to resize the image as necessary. Select the Picture Format tab on the ribbon, then use the options on it to format your image. For example, you can apply a style or a border to the image.

1. Sign in with your Microsoft account. You will be prompted to Sign in with Microsoft account. If you have an existing Microsoft account on your mobile device then you will be asked to confirm your account, then click Continue.. If you don't have an existing Microsoft account on your mobile device then you will be asked to sign into your account or create a new one, then click Continue.

Test your camera with the Camera app. Select Start , then choose Camera from your apps. If you're asked to allow access to the Camera, select Yes.If the camera works in the Camera app, the problem might be with the app you're trying to use.