Learn how to switch out of S mode to install apps from outside of the Microsoft Store or to upgrade to Windows 11.

System requirements and setup steps for the Phone Link app

This topic offers troubleshooting tips if you don't have the Teams Meeting add-in in Outlook for Windows. The add-in helps you set up a Teams meeting from your Outlook email.

Summary. This update provides support for media features in Windows 10/11 N. These include media-related technologies (Windows Media Player) and certain pre-installed media apps, such as Movies & TV, Voice Recorder, and Skype.

Keys with an Fn key or F Lock provide two sets of commands for many keys. This includes the top row of standard function keys (F1–F12). Standard commands are labeled on the front of the keys (such as F3).

How to send automatic out-of-office replies from Outlook (depending on the type of email account you have).

Learn how to get ready for the Windows 11 upgrade, from making sure your device can run Windows 11 to backing up your files and installing Windows 11.

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.

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product.

了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。 BitLocker 是 Windows 加密技术，它通过加密驱动器并要求一个或多个身份验证因素才能解锁驱动器来保护数据免受未经授权的访问。