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

Experience Microsoft Copilot on windows devices using the Copilot app! The Copilot app helps you get answers and inspiration from across the web, supports creativity and collaboration, and helps you focus on the task at hand.

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

Learn how to troubleshoot and use the clipboard in Windows to paste multiple items, pin items, and sync your clipboard to the cloud.

如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。

Discusses how to remove viruses, spyware, rogue software, or malware using Microsoft Security Essentials, Microsoft Safety Scanner and Microsoft Defender Offline.

Alternatively, you can install any website by going to the top corner of the browser and select Settings and more … > Apps > Install this site as an app.

Learn how to receive a refund or exchange for items purchased from Microsoft.

Collections in Microsoft Edge helps you keep track of your ideas on the web, whether you're shopping, planning a trip, collecting notes for research or lesson plans, or just want to pick up where you left off the last time you were browsing the internet.

If you're playing a video or audio clip as part of a presentation in a meeting, you'll want to include sound from your computer. Here's how to do it.