After the successful installation of the Braintree Payment Method extension  on the Magento 2 store, the admin has to set up the configuration settings required to enable the features of the extension.

To configure the settings

1. Go to the Admin panel.
   
2. On the left navigation bar, click the STORES menu, and then click Configuration.
   The Configuration page appears.
3. In the left navigation panel, click the SALES
4. Scroll down to click Payment Methods.
   In the right panel, all the payment methods are listed.
5. Scroll down to click the Ced Braintree Payment tab.
   The corresponding fields appears as shown in the following figure:
   
6. In the Enabled list, select Yes.
7. In the Title box, enter the title of the payment method.
8. In the New order Status list, select the required status.
9. In the ENVIRONMENT list, select Sandbox.
   Note: Sandbox environment is used for the testing purpose.
10. In the Merchant Account Id box, enter the Account Id.
11. In the Merchant Id box, enter the provided Id.
12. In the Merchant Public Key box, enter the provided key.
13. In the Merchant Private Key box, enter the provided key.
14. In the Credit Card Types list, select the required options.
15. In Payment from Applicable Countries list, select one of the following options:
    1. All Allowed Countries: All the available countries are allowed.
    2. Specific Countries: On selecting this option, the next field Payment from Specific Countries is activated, from where admin can select the each required country from the list.
16. Click the Save Config button.
    The configuration is saved.