Mail chimp setting

Step 1: Go to MC4WP >> Mailchimp >> Insert Key

Step 2: Go to MC4WP >> Form

Insert the code bellow

<div class="ova-subcrible">
<div class="input">
      <input type="email" name="EMAIL" placeholder="Enter Your Email Address" required />
  </div>
   <div class="submit">
      <input type="submit" value="SUBCRIBLE" />
      <i class="arrow_right"></i>
  </div>
</div>

Click "list choice" to choose campaign in mailchimp

After choosing a campaign, you will see above "5" point, insert style="display:none" to hide at frontend.