Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.

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

Learn how to sign in or out of your Outlook.com email account, and get solutions for common login issues.

PC に Office 2013 または Office for Mac 2011 をインストールする方法について説明します。

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

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results.

In Windows 11 22H2, the default app used to host console windows has been changed to Windows Terminal. After the October 2022 update, Command Prompt, Windows PowerShell, and other console apps will appear inside an instance of Windows Terminal.

Add-ins provide optional commands and features for Microsoft Excel. By default, add-ins are not immediately available in Excel, so you must first install and (in some cases) activate these add-ins so that you can use them. Some add-ins are built in to Excel, such as Solver and the Analysis ToolPak. Some other add-ins are available from the Download Center, and must first be downloaded and ...

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Learn how to sign into your PC with Windows Hello using a PIN, facial recognition, or fingerprint.