Previewing Your Custom Branding Changes in Amazon AppStream 2.0
You can preview how your branding changes will appear to your users by applying your branding changes to a test stack before you apply them to a production stack, and then creating a streaming URL for the test stack. After you validate your branding changes, you can them deploy them to your production stack. For information, see Step 2: Provide Access to Users in Getting Started with Amazon AppStream 2.0.