To enable Apple Pay on your Stripe account:
1. Open your Stripe Dashboard.
2. Navigate to Business settings, Payment and then go to Apple Pay.
3. Click Configure to initiate the setup process.
The setup process will vary depending on whether you're implementing Apple Pay on an iOS app, a website or both. For iOS apps, follow the steps to create and upload a certificate; for websites, add a new domain and upload a verification file. For full step-by-step guide please refer to official Stripe documentation.