http://www.tips2secure.com/2015/11/add-free-live-chat-widget-on-websites.html
Live chat widgets on blog and widgets look professional and increase the value of websites. It will provide an opportunity for users to ask their queries online and get solutions instantly. If you add this widget on your blog then your readers won't have to wait long for replies. There are lots of sites who provide Live chat widgets for websites, but generally they charge fees to use their services. But today am going to provide this live chat widget for your blog and websites for Free, you don't need to pay money for using this widget. Also it's very easy to install on any blog or site. No need to have HTML knowledge to install this live chat option, just follow this guide step by step and you will be done.

Step 1. Signup to Tawk.to
Step 2. Verify your E-mail.
Step 3. Now, Login to your account.
Step 4. Give your site information, proceed for next step and skip to invite agent.
Step 5. Now you will get Code to install the widget on your blog.

Watch this Video to Learn how to Install It.