Use the Windows Settings app to change your desktop backgrounds and colors.

See how to install Visio 2013 and 2016 and Visio Pro for Microsoft 365.

Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.

Windows 设备上的用户帐户名称显示已登录 Microsoft 帐户或工作/学校帐户的名称。 若要更改登录的用户，请选择任务栏上的 ...

The Microsoft Edge feature that blocks pop-ups is effective in preventing websites from automatically opening a new window or tab, or a partial window on top of your current web page. This feature is turned on by default. There are many different types of pop-ups, including advertisements, notices, offers, or alerts that can appear at various times on any web page. Some can be helpful, such as ...

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.

See how to find things you've downloaded on your PC.

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

Learn about the differences between a Microsoft 365 subscription, Office 2016, and the free Office Online apps.

Learn how to design professional-looking presentations with Microsoft 365. Create high quality, customized slides in a few clicks with PowerPoint Designer.