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STEP 1
Login to Our.Guide account create a new guide and copy widget code from panel(Installation> Widget (read: How to download widget code?)

STEP 2
Log in to the WordPress admin panel:

STEP 3
Go to "Appearance> Editor":

STEP 4
Select "Theme Footer" from the template list on the right and click:

STEP 5
Paste the copied code from Our.Guide panel in Wordpress footer theme just before </ body>:

STEP 6
Save changes to the "Theme Footer" template by clicking "Update File"
DONE!
Your interactive area guide widget should already be displayed on your website.