This article shows you how to use the Fn key and the F lock key.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Download the Microsoft 365 Access Runtime which allows you to run Microsoft 365 Access applications if you don't have the desktop version of Microsoft 365 Access and need to use an application built to run with Access 2010 or later.

Troubleshoot problems you might be having with your mouse or keyboard, or other wireless device in Windows.

To use voice typing, you'll need to be connected to the internet, have a working microphone, and have your cursor in a text box. Once you turn on voice typing, it will start listening automatically.

See a list of options available for starting Windows in diagnostic modes such as safe mode.

Download printer drivers. If your printer isn't responding, you may need to remove it and reinstall it so Windows can download and install the proper drivers.

Learn how to reinstall Windows on your PC and how activation works after it's installed.

Choose how you want emails displayed in the message list, such as whether you want emails displayed as individual messages or as conversations.

Find answers to top questions about upgrading to Windows 11, from the minimum hardware requirements to where to find the upgrade.