1. Log into your Mailchimp account.
2. Click on Lists and select the desired list.
3. Click on Signup forms- Embedded form.
4. Select the Desired type of form, and style it as desired.
5. Copy the generated code.
6. Log into the WordPress Dashboard, and select the page or post onto which you will put the Mailchimp Signup form.
7. Paste the Code into the TEXT section.
8. Click Update.