Learn how to improve the clarity of text and images displayed on your screen by changing the screen resolution of your monitor.

In Windows RT 8.1, Windows 8.1 or Windows Server 2012 R2, Update for Microsoft Windows (KB4486105) is displayed under Installed Updates in Control Panel.

How to use the LOOKUP function in Excel to search in a single row or column and find a value from the same position in a second row or column.

Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.

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。

Узнайте, как подготовиться к переходу на Windows 11: от проверки возможности запуска Windows 11 на устройстве до создания резервных копий файлов и установки Windows 11.

Erfahren Sie, wie Sie die App „PC-Integritätsprüfung“ verwenden, um die Leistung Ihres Geräts zu verbessern.

Learn how to change the power mode on your Windows PC to preserve your battery, limit notifications, and background activity.

Learn how to use PivotTable in Excel to calculate, summarize, and analyze data, revealing hidden patterns and trends.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2