The steps followed when setting up Squirrelcart to work with a particular gateway can vary greatly. Because of this, the instructions for setting up the gateway are listed on it's record.
1. Purchase Access
You will need to purchase access to a payment gateway, through a merchant account provider.
2. Edit Payment Gateway
Put the payment gateway's record in edit mode.
3. Follow the instructions
Follow the instructions in the "Setup Instructions" field on the gateway's record.
4. Test