A program’s license type can be seen on every program review. You will be able to find it on the search results page:

Here you find the most usual license types:

• Free: You can use the program free of charge and there are no time restrictions.
• Trial version: You have an option to test the software for free for a limited amount of time after which you will have to purchase it if you want to use it.
  Demo: You have access to a limited version of the software that you can use for free (sometimes without time restrictions). Some of the program’s main features are not available if you do not purchase the full version.
• Full version: you will have to buy the program or game in order to download and use it.