Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Visualizations are colors, shapes, and patterns that move to the music in Windows Media Player Now Playing mode.

You can refer to the contents of cells in another workbook by creating an external reference formula. An external reference (also called a link) is a reference to a cell or range on a worksheet in another Excel workbook, or a reference to a defined name in another workbook.

Learn how to extend your PC's battery life using battery saver and other power-saving tips for Windows.

Microsoft Teams Web アプリは、Chrome、Firefox、Internet Explorer を含むほとんどのデスクトップ ブラウザーで動作します。

Get troubleshooting tips if you run into problems downloading, installing, or updating Microsoft Edge.

学习如何在 Windows 中解决 USB-C 问题，修复 USB 设备、端口和适配器无法正常工作。

How to improve gaming on your Windows 11 PC by making use of the optimization for windowed games settings.

Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

了解如何使用 Windows 11 中的任务栏功能。 使用任务栏设置隐藏任务栏、固定应用、更改位置等。