Google+ just introduced a new commenting system which Google has introduced that integrates Google+ comments with Blogs. The new system of commenting is an added advantage to the default Blogger system of commenting, & it aids threaded comments too. It's appearance is better. Some of my friends requested via Mail that i post something on this system of commenting. I am putting up this compiled short post tutorial on how to easily install and use this new advanced commenting system.
Moving to Google Plus comments:
To implement Google Plus comments for your Blog, first you have to connect your account to your Google+ account. Just follow these steps.
Login into your Blogger dashboard, and choose your blog you want to connect
Click on the Google+ button from the left sidebar of your Blog
Then, Click on the Get Started button on the top-left side to connect your blog account. This will not appear if your account is already merged.
Follow the simple instructions to connect your blog.
Once you are connected, you will get an option to Use Google+ comments on your blog.
Ticking this will enable the new Google Plus commenting system.
This will automatically change your Google Plus comments on for default templates.
But note it will likely not work for custom blogger templates. So, you will have to change your template code and change some lines as directed in the section below.
How To Display Google comments on Custom Blogger Templates
You can Revert to default option>>
Custom templates have configured customed widgets that usually override the default settings. And that is why this commenting system might not easily work with custom templates.
To achieve this, you can revert your Blog Widget to defaults in your template HTML editor via the following steps.
From inside your blog's dashboard, click on Template from the left sidebar.
Click on Edit HTML on your Blog
Then, Click on the Revert Widget templates to defaults button
It will reset other widgets to default as well.
Hope It Helps!