Learn how to access the Control Panel in Windows for managing your system settings and programs.

If you don’t see one of the network icons (or a similar one) shown in the following image, select the Up arrow to see if it appears there. Choose the Wi-Fi network you want, then select Connect . Type the network password, and then select Next .

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 you're moving from a Windows 7 or Windows 8.1 PC to a new Windows device, you'll find that the best way to get apps and games is through Microsoft Store.

Here's how to turn Bluetooth on or off in Windows 11: Do one of the following: On the taskbar, select the Network icon. Select the Bluetooth quick setting to turn it On or Off.

For keyboard shortcuts in which you press one key immediately followed by another key, the keys to press are separated by a comma (,). For example, for è you would press Ctrl + `, release and then type e.

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。

有些网站专为与 Internet Explorer 一起使用，它们具有 Microsoft Edge 等新式浏览器不支持的功能。 如果你需要查看其中的某个网站，可使用 Microsoft Edge 中的 Internet Explorer 模式。

If you don't see your printer, try to fix the problem by using the steps in Fix printer connection and printing problems in Windows. Related topics. Find out how to install a printer in Windows. Find out how to download printer drivers in Windows.

This troubleshooter assists customers whose machines are not yet updated to the latest release, Windows 10 Version 1607. This update will initially be released only to a small set of targeted customers. This set will expand over time. Windows users can start the assistant from this article.