Learn how to view your PC information on Windows with Microsoft Support's step-by-step guide.

Learn how to redeem a Microsoft/Xbox gift card or other code on your mobile device, Windows device, or Xbox console.

Use the Block or Allow settings in Outlook Web App to help control unwanted and unsolicited email messages.

Discover how to convert numbers into English words in an Excel spreadsheet using the SpellNumber sample function.

本文介绍如何获取最新版本的 DirectX 以启用系统上的游戏和多媒体应用程序。

How to freeze panes in Excel to keep rows or columns in your worksheet visible while you scroll, or lock them in place to create multiple worksheet areas.

Learn how to use the PC Health Check app to help you improve your device performance.

Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

It's easy to attach pictures, files, and other items to your Outlook messages. Outlook keeps track of the documents you’ve recently worked on, whether they're stored on your computer or saved in OneDrive (cloud only).