Commercial license is aimed for usage in companies. It enables the company to use the program on a limited number of computers. E.g. if you purchase 5 licenses you can use the program on 5 computers of your company. Also we have volume discounts so as more licenses you purchase as less one single license costs. Click this link to show volume discounts.
The license will entitle you to receive free upgrades for one year from the date of purchase. An additional year of uprgades will cost you only $9.90 USD, and you can purchase the renewal anytime you need it.

Unlimited license is aimed for business usage. It allows the company to use the program on all its computers not depending on their number! This unique license type will let your company not to spend money when you add new working places.
The license will entitle you to receive free upgrades for one year from the date of purchase. An additional year of uprgades will cost you only $99.90 USD, and you can purchase the renewal anytime you need it.