
1. Go to dash board of your Blog.
2. Click on layout tab.
3. Click on add gadget button.
4. Now go to 2nd option ie MORE GADGETS at left side you can see as below.
5. Now in search box type "join this site widget by google". and give enter.
6. Select this option.
You are done.
Tips:
Make sure you have logged into your blog which you want to add this widget.
Hope you like this post.
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