How do I install the Constant Contact extension in Vtiger CRM?

Constant Contact is a third-party app that you must install from Vtiger’s Extension Store. You can install extensions only if you are an Admin user in the CRM.
Follow these steps to install the Constant Contact extension:

1. Log into your CRM account.
2. Click the User Menu.
3. Click Add-ons on the bottom left corner of the screen.
4. Look for Constant Contact.

Or

3. Click Settings.
4. Look for Extensions.
5. Click Extension Store.
6. Look for Constant Contact.
7. Click Install.
8. Click Yes to confirm the installation.

Once you have installed it successfully, follow these steps to find the app:

1. Login to your CRM account.
2. Click the User Menu.
3. Look for Lead & Contact Management.
4. Click Contacts.
5. Click the Sync button. This will take you to the Sync window.
6. Constant Contact is now available under User level Connectors.