Blogger Template Style : Navigation Instructions
Step-1
Search and find the following code to the template:
<ul id='menus'>
<li class='home1'><a href='/'>Home</a></li>
<li><a href='#'>Menu1</a></li>
<li><a href='#'>Menu2</a></li>
<li><a href='http://thistemplates.blogspot.com/'>Menu3</a></li>
<li><a href='#'>Menu4</a></li>
<li><a href='http://colortemplates.blogspot.com/'>Menu5</a></li>
</ul>
Step-2
Replace Menu1, Menu2, Menu3, Menu4, Menu5 with your menu's name
Step-3
Replace #, http://thistemplates.blogspot.com/, http://colortemplates.blogspot.com/ with URL follow step-2