Select Microsoft Office Change Add or Remove Features Next. This inserts an equation placeholder where you can type your equation. On the Insert tab in the Text group click Object.
Follow the instructions on the screen to complete the installation.
Insert an equation with Equation Editor. There are multiple equations in the drop-down list then scroll down and select one of them to meet your actual needs. LaTeX users are already familiar with this method and the syntax is similar. Use the symbols templates or frameworks on the Equation toolbar to edit the equation.