Web Maps for WordPress is the best way to quickly and easily search for and insert authoritative maps directly into your blog posts and pages.
Download and unzip the plugin file Upload the entire file into the "/wp-content/plugins directory of your WordPress site. Activate "WordPress Plugin for ArcGIS Online" in the Plugins admin panel
Download and unzip the plugin Upload the plugin file by clicking on "Plugins" from the menu bar in your admin panel. Click the "Add New" link within the plugin menu bar. Click the "Upload" link at the top of the Install Plugins Page. Choose File, Find the file. Click "Open." Then click "Install Now" button. Activate the plugin through the Plugins menu in WordPress (if it is not already activated).