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

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

Wenn Sie auf einem PC mit Windows arbeiten und möchten, dass die Apps und Inhalte von einem anderen Gerät auf Ihrem PC-Bildschirm angezeigt werden, sollten Sie den Bildschirm dieses Geräts spiegeln oder auf Ihren PC projizieren.

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

Learn how to create an Xbox profile. You’ll need a Microsoft account to create an Xbox account. A Microsoft account is not the same thing as an Xbox account, although you can use the same email address for both.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.

Stay connected to your friends across social networks while gaming on Windows 10/11.

Learn how to keep your Microsoft account safe, including making a strong password, identifying safe emails, and reviewing account activity.