选择 任务栏 右侧"网络"图标，然后移动"亮度 "滑块以 调整亮度。（如果未显示滑块，请参阅下方的“备注”部分。） 某些电脑可能允许 Windows 根据当前照明条件自动调整屏幕亮度。

Learn how to use the On-Screen Keyboard (OSK) instead of a physical keyboard to type and enter text on your PC.

An array formula (one that spans multiple cells) can do calculations on rows and columns of cells where you might otherwise need to use several formulas. For example, you can count the number of characters that are contained in a range of cells, sum only numbers that meet certain conditions (such as the lowest values in a range or numbers that fall between an upper and lower boundary), and sum ...

If you need to update your email account settings or set up your email account in Outlook manually, use the following steps.

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

Microsoft Teams の機能と機能強化は、新しい Teams でのみ利用できます。 従来の Teams を引き続き使用している場合は、今後数か月以内に新しい Teams に自動的にアップグレードされます。

Microsoft Edge makes it easy to save your passwords as you browse the web. When you enter a new password in the Edge browser on your desktop or mobile device, Microsoft Edge will ask if you want your username and password remembered.

Get tips for how to set up and test microphones in Windows.

See what's new in recent Windows 10 and Windows 11 updates, including a chat from the taskbar, widgets, snap groups, and more.

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.