Very first step is to go to Facebook social plugins page and select Page plugin. Here is a Direct link to that page. Apart from Like box, I would also suggest have a look into other Facebook social plugins that could be useful to make your Website more social.
Step1:
Step 2 :
Step 3 :
- Back to Admin Home Blogger -> open Template -> Add Gadget-> HTML -> Copy code 2 to paste -> Save !
