Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

Learn how to log in to Microsoft Teams with your Microsoft 365 account. This step-by-step guide from Microsoft Support walks you through the process of accessing Teams on desktop, web, and mobile devices.

Most software that you buy directly from Microsoft, like Office, Windows, and Xbox games, comes as a digital download that you can download, install, or reinstall.

All Xbox digital codes are 25 characters long, include both numbers and letters, and are formatted in five blocks of five characters (xxxxx-xxxxx-xxxxx-xxxxx-xxxxx).

Get help with Outlook for Windows, the Outlook app, Outlook.com, and more. Find training videos, how-to articles, and Outlook support content

The recommended (and easiest) way to get SP1 is to turn on automatic updating in Windows Update in Control Panel and wait for Windows 7 to notify you that SP1 is ready to install.

If you are using a mouse, select Start > Settings > Accessibility > Magnifier.Select View, and then open the Keep the mouse pointer or Keep the text cursor drop-down menu, and select how Magnifier behaves when the mouse pointer or text cursor move around the screen. This is something you should experiment with to see which combination works best for you.

Important: Workbook links are considered potentially unsafe and must be enabled when you open a formula workbook.When you open a formula workbook, click Enable Content in the Message Bar to allow the workbook links to function. If you don't, Excel keeps the most recent values and disables refreshing the links with values from the data workbook.

若要访问登录选项，请依次转到“开始” > “设置” > “帐户” > “登录选项”。 或者直接单击此按钮： 转到“登录选项” 更改或管理密码或 PIN. 若要更改密码或 PIN，请转到“开始 > 设置> 帐户 ”> 登录选项。. 选择“PIN (Windows Hello)”，然后选择“更改 PIN”。

Note: You might not be able to change the power mode when a custom power plan is selected.If you can’t set the power mode in Power & battery settings, open Control Panel, select System and Security > Power Options, then choose a Balanced power plan.