Learn how to change Internet Explorer settings, or reset browser settings when there's a problem.

Training: Watch and learn how to create a PowerPoint presentation, add/format text, and add pictures, shapes, and/or charts.

A guide to help you identify and access your Microsoft account. How to check if your email is a Microsoft account? Go to the Microsoft account sign-in page at https://account.microsoft.com and enter your email address.

Erfahren Sie, wie Sie Windows auf Ihrem PC neu installieren und wie die Aktivierung nach der Installation funktioniert.

Windows でドライブの空き領域を増やす方法について説明します。 ディスク領域を増やすと、PC をスムーズで最新の状態に維持することができます。

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

If you can’t locate a lost file from your backup, then you can use Windows File Recovery, which is a command line app available from the Microsoft Store.Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.

To increase security and performance, Windows 11 in S mode only runs apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, or if you have Windows 10 Pro, Enterprise, or Education and want to upgrade to Windows 11, you'll need to permanently switch out of S mode.

新しい Windows 10 PC にプリインストールされている Office をライセンス認証する、または新しいプロダクト キーを使用する方法について説明します。

获取 Windows 操作系统的官方支持和帮助信息，以及如何使用 Windows 的指南。