Go to the Google Custom Search Engine.
On the Custom Search page, enter your website into the "Sites to search" field.
Enter the name of your website into the "Name of the search engine" field.
Click Get Code and copy the code from the gray box provided.
Return to your website and navigate to the page you would like to add the search bar to.
When logged in, go to Edit Mode.
Click Add Page Element and select the Code option.
Paste the code you've copied from Google and save.
Updated over a week ago