How to Setup Menu
1. Go to Dashboard > Appearance > Menus
2. Click " Create a new menu "
3. Type " title name in title field " ( eg: Main Menu )
4. Click " Create Menu "
5. Click " Pages " ( You have to click the check box in using page )
6. Click " Add to Menu "
7. Click " Primary menu" ( you should click it the check box primary menu )
8. Click " Save Menu "