How to add a comment box in blog

How to add a comment box in my blog? This is my blog: www.tutorial-trick-seo.blogspot.com. I would love to have a comment box that open for public to comment about my blogs.

If you haven't logged in to your Blogger weblog in the last few months, you might be surprised just how many things you can set and change on your weblog. Let me show you how to enable comments, but while you're doing that, do poke around and notice all the other ways you can customize your weblog


First off, when you log in to the main Blogspot admin interface, you'll see something like this:

Next step :

Next step :

Then click save

Is a step above the standard settings of the blogger. if you change the template sometimes with the above step is not successful. You can use the following steps :

Go to "Layout-->Edit HTML"
Check box "Expand widget templates"

search script :
Then replace the code with the code below:
Click save. n good luck