In the Odoo dashboard

1. From your Odoo space, click on Configuration, then on Payment intermediary
2. Find and click on Fintecture
3. Click on Edit at the top of the page
4. Copy the App ID previously generated from your Fintecture space and paste it in the corresponding field
5. Copy the App Secret previously generated from your Fintecture space and paste it into the corresponding field
6. Upload the Private Key file previously generated from your Fintecture space into the corresponding field