how to insert equation in word 2010 compatibility mode

The ribbon introduced in Office 2007 for Access, Excel, Outlook, PowerPoint, and Word is the primary user interface for all applications in Office 2010 and is now customizable. Office 2010 introduces user interface enhancements including a Backstage view that consolidates document management tasks into a single location. The macOS equivalent, Microsoft Office 2011 for Mac was released on October 26, 2010. Microsoft Office 2010 (codenamed Office 14 ) is a version of Microsoft Office for Microsoft Windows unveiled by Microsoft on May 15, 2009, and released to manufacturing on April 15, 2010, with general availability on June 15, 2010, as the successor to Office 2007 and the predecessor to Office 2013.

English, Arabic, Bulgarian, Chinese (Simplified), Chinese, Croatian, Czech, Danish, Dutch, Estonian, Filipino, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Italian, Japanese, Kazakh, Korean, Latvian, Lithuanian, Norwegian (Bokmål), Polish, Portuguese (Brazil), Portuguese (Portugal), Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Swedish, Thai, Turkish, Ukrainian

How to insert equation in word 2010 compatibility mode