Download the OpenCart extension for Paylike here. Upload the zip-file in your OpenCart backend.github.com/paylike/plugin-opencart/archive/master.zip
Browse to the Paylike extension and install it.
Copy your public key and app key from the Paylike dashboard.
The last step is to insert the public key and app key in the fields “Public Key” and “Secret Key” on the settings page of the Paylike extension.
You're all set. Paylike has now been setup successfully on your website and you are ready to accept payments!
For the OpenCart 2.0 module to work vQmod is required. If it is not installed, read how to here.