Describes how to troubleshoot problems that occur when you install, uninstall, or upgrade a program on a Windows-based computer by using Windows Installer.

Want to add a padlock to your email messages? You can use S/MIME in Outlook on the web to increase the security of messages. A digitally encrypted message can only be opened by recipients who have the correct key.

Erfahren Sie, wie Sie Windows mithilfe von Tastenkombinationen navigieren. Hier finden Sie eine vollständige Liste der Taskleisten-, Eingabeaufforderungs- und allgemeinen Windows-Tastenkombinationen.

Microsoft Edge has an improved way to copy and paste paste web URLs from the address bar into your content. This feature copies and pastes a URL as a hyperlinked title instead of as a web address.

Discover a range of training courses designed to help you master Microsoft Access and create your own database apps.

First, set up your microphone, then use Windows Speech Recognition to train your PC.

Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

Get the latest info on new features for Microsoft Teams with these regularly updated release notes.

Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.