How to Set SEO for Meta Title, Keyword and Description?

Find This Code:

<title><data:blog.pageTitle/></title>

And Change with this code:

<b:if cond='data:blog.pageType == &quot;item&quot;'>
<title><data:blog.pageName/> | (example: Free Blogger Templates)</title>
<b:else/>
<title><data:blog.pageTitle/> | (example: Free Blogger Templates)</title>
</b:if>
<meta content='</font><font color="#ff0000">your description here</font><font color="#008000">' name='description'/>
<meta content='</font><font color="#ff0000">keyowrd1, keyowrd1, etc..</font><font color="#008000">' name='keywords'/>
<meta content='INDEX, FOLLOW' name='ROBOTS'/>