Magento Open Source or Adobe Commerce 2.4.6+, with MySQL 8.0+ or MariaDB 10.6+. See Compatibility & requirements for the full list.
Composer installation directions has the package name and access details.
Add the extension
Once the package is in place, finish the install from your Magento root:
bin/magento module:enable Ebizmarts_MailchimpMarketing
bin/magento setup:upgrade
bin/magento cache:flushThe extension arrives with Pulse, its customer-journey engine; Composer installs it automatically, nothing extra to do, and it is what delivers a guest’s abandoned cart to Mailchimp ready to recover. Hyvä + Pulse support has the full story. Pulse is optional and removable: catalog, customer, subscriber, cart and order sync all work without it.
On a production-mode store, also run bin/magento setup:di:compile and bin/magento setup:static-content:deploy before the cache flush.
Check it worked
After the cache flush, a new Intuit Mailchimp entry appears under Marketing in your admin menu.

Open Marketing → Intuit Mailchimp → Configuration. The page header shows the extension version and install date, so you know it installed correctly.
That’s it. You’re ready to connect your Mailchimp account.
By enabling the extension you agree to Mailchimp’s additional terms.
Questions along the way? Troubleshooting has the answers, and ebizmarts support is one email away.