Guide

1. On the Admin Center tab, go to the left-side panel and click 'Apps and Integrations'.

2. Select 'Zendesk Support Apps' from the list of options under the Apps section.

3. Click 'Marketplace' at the top-right corner.

4. Search for 'Mailchimp' and then select your preferred Mailchimp app from the given results.

5. Tap 'Install' to proceed.

6. Following that, enter your Zendesk subdomain and then click 'Install'.

7. Configure the installation settings and provide the required information to connect the two apps.

8. Following that, click 'Sign In with Mailchimp Activity'.

9. Provide your Mailchimp user credentials, then click 'Log In' afterwards.

10. Tap 'Allow' to grant the necessary permissions.

11. Once done, click 'Install'.

12. After completing these steps, your Zendesk account will be integrated instantly with Mailchimp.