Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Connect your Surface on Windows 10 to a TV, external display, or projector by using the Surface HD Digital AV Adapter or the Surface VGA Adapter.

Learn how to personalize a Windows lock screen with a background photo, slideshow, or app notifications.

Learn how to create and add a signature to email messages you send in Outlook.com.

This troubleshooter assists customers whose machines are not yet updated to the latest release, Windows 10 Version 1607. This update will initially be released only to a small set of targeted customers. This set will expand over time. Windows users can start the assistant from this article.

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

Choose either portrait (vertical) or landscape (horizontal) orientation for all or part of your document.

While setting up the Phone Link app, you'll be prompted to enable access to your phone's messages.

Create, edit and share documents with Microsoft Word online. Learn how to use Word for the web to create, open, and rename documents with ease.

Find your Wi-Fi network password in Windows, so you can connect to your Wi-Fi network on other devices.