This forum is now Read-Only. The Magento Community Forum is scheduled to close permanently on December 31, 2025. Please save any necessary information before this date. Join us on Slack for continued engagement!
With out buying new extension, possible to build own extensions for automatically adding free product along with purchased product in cart or possible to change existing code for this functionality in default community edition 1.9.
Yes, that is possible. You should customize Magento to add that custom feature.
If you want to avoid buying an extension, you can download the following extension for free, which is compatible with Magento 1.8 and see if it works properly in the latest Magento version: