Select the text you want to indent
Go to the Home tab
In the Paragraph group, click the dialog box launcher
Under Indentation, set the Left or Right indent
To indent the first line, open the Special drop-down and choose First line
To create a hanging indent, open the Special drop-down and choose Hanging
Adjust the indent measurement as needed
Click OK
You can also use the ruler to drag the indent markers
Press Tab at the start of a paragraph to create a first-line indent
Press Ctrl+M to increase indent
Press Ctrl+Shift+M to decrease indent