To use [Authorization Code Grant](https://developers.docusign.com/platform/auth/authcode/), you will need an integration key and a secret key. See [Installation steps](#installation-steps) for details.

For both authentication flows:

If you host this launcher on a remote web server, set your redirect URI as

1. In your command-line environment, switch to the folder: `cd <Quickstart folder>` or `cd code-examples-python`

1. To install dependencies, run: `pip3 install -r requirements.txt` (or pipenv can be used)

1. To configure the launcher for [JWT Grant](https://developers.docusign.com/platform/auth/jwt/) authentication, create a copy of the file app/ds_config_sample.py and save the copy as app/ds_config.py.

1. Add your integration key. On the [Apps and Keys](https://admindemo.docusign.com/authenticate?goTo=apiIntegratorKey) page, under **Apps and Integration Keys**, choose the app to use, then select **Actions > Edit**. Under **General Info**, copy the **Integration Key** GUID and save it in ds_config.py as your `ds_client_id`.

1. Generate an RSA key pair, if you don’t already have one. Under **Authentication**, select **+ GENERATE RSA**. Copy the private key, and save it in a new file named app/private.key.

1. Add the launcher’s redirect URI. Under **Additional settings**, select **+ ADD URI**, and set a redirect URI of http://localhost:5000/ds/callback. Select **SAVE**.

1. Set a name and email address for the signer. In ds_config.py, save an email address as `signer_email` and a name as `signer_name`.

1. Run the launcher:`python run.py`

**Note:** You will need to alias the python command to run Python 3 or use `python3 run.py`

1. Open a browser to http://localhost:5000

1. On the black navigation bar, select **Login**.

1. From the picklist, select **JSON Web Token** > **Authenticate with DocuSign**.

1. When prompted, log in to your DocuSign developer account. If this is your first time using the app, select **ACCEPT** at the consent window.