Unzip the file, and you should see a PHP file, a TXT file, as well as a few image screenshots:
Upload the activecampaign_subscribe.php file to your WordPress server, under the /wp-content/plugins/ directory.
Visit the Manage Plugins page in WordPress, and activate the "ActiveCampaign Email Marketing" plugin:
Visit the Widgets section, and drag the ActiveCampaign Email Marketing widget to the sidebar:
Fill in your email marketing details:
Hit "Save." You should then see another page listing all subscription forms that you have set up in your email marketing software:
Choose the subscription form that you'd like to display on the public side of your WordPress site. The checkbox "Fetch form with each page load" is recommended to be left unchecked, but if you'd like your subscription form to be requested from your email marketing software with each page visit on your WordPress site, then check that box. This is useful for always making sure your WordPress site has the most up-to-date subscription form, if you make changes to it in your email marketing software.
Hit "Save." If all went well, you should see a confirmation message:
Your subscription form should now be saved in the WordPress database, and displayed on the public side:
Subscription form redirects
If you want your WordPress-embedded subscription form to redirect back to your WordPress site after submission, you need to set this up in your email marketing software. While editing the subscription form, under Form Completion Options:
Also, make sure to turn off variables from being passed in the URL, under Settings > General Settings > Public > "Disable passing variables during subscriptions":
