New Upgrade policy.
All software products are upgradable to a higher priced product.
To qualify for this offer, the purchase price of the upgrade product must be greater than the total cost of previous purchases. What to do. If the price of the upgrade product exceeds the cost of your previous purchases, you will receive a credit to your credit card for the cost of your previous purchases. This credit will take the form of a price reduction for the upgrade product, such that your credit card will be charged the net price for the upgrade purchase.