Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

Add an easy to maintain Table of Contents using heading styles that automatically updates when you make changes to your headings.

このページでは、IME 機能やキーボードのショートカットなど、Microsoft 日本語 IME の使い方について説明します。

Learn how to upgrade Windows 10 Home to Windows 10 Pro to access more advanced security and networking features.

Learn how to format text, add graphics, and more in Word documents. Create professional-looking documents with ease using our step-by-step guide. Try it now!

Learn how to manage Windows Firewall and your networks in Windows Security.

Learn how to use function VLOOKUP in Excel to find data in a table or range by row. Our step-by-step guide makes vlookup in excel easy and efficient.

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

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.

See how to arrange all your open windows using the mouse, keyboard, or the Snap Assist feature in Windows.