Threat blocked. This indicates that Defender has blocked and removed a threat on your device. There's no action necessary on your part, though you might want to consider how the threat reached your machine so you can reduce the risk of that occurring again.

打开屏幕键盘. 转到 “开始” ，然后选择 “设置 > 辅助功能 > 键盘”，然后打开 “屏幕键盘”切换。 此时屏幕上会出现一个键盘，可用于在屏幕上移动和输入文本。 除非你关闭屏幕键盘，否则它将一直显示在屏幕上。

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

The dark theme changes the default bright background color in the new Microsoft Edge to a darker color, which is easier on the eyes in low-light environments or if you prefer less bright interfaces. Here's how to activate dark mode: Go to Settings and more > Settings .

Establishing internet boundaries is an important way to protect yourself and your family from inappropriate web content. Microsoft Family Safety web and search filters work across any Windows, Xbox and mobile device that has the Microsoft Edge browser and Family Safety apps installed.

使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。

修复 Windows 中的声音或音频问题; 设置 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式无线耳机; 在 Microsoft Teams 中使用 Microsoft 新式 USB-C 耳机

If instructions to install the update don’t automatically appear, you can start the process manually. To do this, press the Xbox button to open the guide, choose Profile & system > Settings > Devices & connections > Controllers & headsets, and then select the controller you want to update.On the Xbox Wireless Controller screen, select “…” to check the firmware version for your controller.

You can use a simple formula to sum numbers in a range (a group of cells), but the SUM function is easier to use when you’re working with more than a few numbers. For example =SUM(A2:A6) is less likely to have typing errors than =A2+A3+A4+A5+A6. Here’s a formula that uses two cell ranges: =SUM(A2:A4,C2:C3) sums the numbers in ranges A2:A4 and C2:C3.

Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.Therefore, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.