This Module is a standard Odoo Module. Once you purchase it, please follow the following steps to install it:
A download link will appear on the module description page.
You need to extract the downloaded file into Odoo 'addons' directory where all other modules are kept.
You then need to click on Updates Apps list for the new module to appear on the list of Apps.
Then search for payment_mpesa in the Apps list.
Click on Install button and wait for it to finish.
Refer to Module Description page for configuration
Please refer to Module Description page for illustrated steps on how to configure this module
Fully Supports Odoo Version 15.0 Community and Enterprise Editions