Install step 3: Specify Fast eligible product(s)

By default, products in your Magento inventory list have the Fast Checkout button disabled. This is a configurable product attribute intended to avoid accidentally enabling Fast for products. You can enable Fast Checkout for products individually or in bulk, depending on which products you’d like to enable for Fast Checkout.

The following video shows how to specify Fast products in Magento:

Enable Fast Checkout for Individual Products

1. To enable the Fast Checkout button for individual products, navigate to the products list view at Catalog -> Products.
2. Click the product name to navigate to the product attributes page.
3. At the bottom of the list, toggle Show Fast Button to Yes.\
4. Click Save.

Bulk Enable Fast Checkout for Multiple Products

1. To bulk enable the Fast Checkout button, navigate to the products list view at Catalog -> Products.
2. Select the products in the inventory list and click Actions -> Update products.\
3. In the list of product attributes, change Show Fast button to Yes.\