NOTE: Please use Chrome, other browsers may cause problems with installation.
To install the eBay LINK for Bigcommerce App:
First, login to Bigcommerce as the 'Account Owner' - You must be the Account Owner to install an app.
Now click the following link and follow the prompts.
Once installed, you can access the app from the Apps section within Bigcommerce.
To install the eBay LINK for Shopify App:
Please see the FAQ How To Install The Ebay LINK Shopify App