Step 1: You can easily find FullStory app in Kademi Market Place
Step 2: After install, Back to website manager
Step 3: Find FullStory app in your applications list at Apps tab. And then click Settings button to config.
TIP: You can find your Org ID in your FullStory account:
Step 4: After accessing your website with a specific profile, go to this profile page and see in timeline. You can see a post about FullStory session with accessable link
Step 5: After clicking on View button, you can see your story in FullStory page