# FileJar Help Center

> FileJar Help Center

## Getting Started

- [Create Your First Digital Product](http://docs.filejar.com/en/articles/10413601-create-your-first-digital-product.md): Get started with your first digital product in less than 5 minutes
- [Customize the Email Template](http://docs.filejar.com/en/articles/10414569-customize-the-email-template.md): The download link is delivered to each customer via email. You can customize the email template to match your store and brand.
- [Checkout Extension Setup](http://docs.filejar.com/en/articles/10409580-checkout-extension-setup.md): Configure the checkout extension to display the download link immediately after checkout, on the Thank You page and on the Order Status page

## License Keys

- [License Key Validation API](http://docs.filejar.com/en/articles/10416617-license-key-validation-api.md): Use the API to check whether a license key provided by a customer is valid or not.

## Email

- [How To Verify Your Email Sender Domain](http://docs.filejar.com/en/articles/10421128-how-to-verify-your-email-sender-domain.md): Connect a custom domain to deliver the download emails from a sender that matches your store and brand.