Header Region has tow blocks. Header menu and Search module
A. Create Menu Structure
Step 1Go to Structure
Step 2Click Menus link
Step 3 Click Add link to add Header menu link with following settings:
Step 4 Add following links structure
Menu Link Structure
B. Configure Block Settings
Step 1 Go to Structure > Blocks. Find Header menu and Search Blocks and set them following properties:
Step 2 Save block