Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:

Learn how to use antivirus protection in Windows Security to protect your Windows PC against malware, viruses, and other threats.

Get info on how to find your IP address in Windows. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

Training: Sync files in Microsoft 365 or SharePoint document libraries so they’re always available on your computer even when you’re offline.

Excel で関数 VLOOKUP を使用して、テーブルまたは範囲のデータを行ごとに検索する方法について説明します。 私たちのステップバイステップガイドは、excelのvlookupを簡単かつ効率的にします。

本文介绍如何获取最新版本的 DirectX 以启用系统上的游戏和多媒体应用程序。

Узнайте, как устранить проблемы Bluetooth в Windows. Устраняйте проблемы с подключением Bluetooth-устройства или аксессуара.

Windows 10更新助手在您的设备上下载并安装功能更新。 功能更新，例如 Windows 10 版本 1909（又称作 Windows 10 2019 年 11 月更新）提供新功能，并帮助保持系统安全。

Learn how to access Windows device security settings in Windows Security to help protect your device from malicious software.