This plugin adds Simplify Commerce as a payment option on your PrestaShop checkout page.
The Simplify Commerce module is not bundled in the PrestaShop download.
The addon for Simplify Commerce can be downloaded here: https://github.com/PrestaShop/simplifycommerce/raw/master/dist/simplifycommerce.zip
You will then upload the zip file, setup the API keys and you are good to go!
You can manage your Simplify account (view deposits, perform refunds, create invoices etc.) using the Simplify dashboard at https://www.simplify.com/commerce/.
This software is Open Source, released under the BSD 3-Clause license. See licence.txt for more info.