Catia V5 Free To Play
Basically, a product is offered Free to Play (Freemium) and the user can decide if he wants to pay the money (Premium) for additional features, services, virtual or physical goods that expand the functionality of the game. Free to PlayThis license is commonly used for video games and it allows users to download and play the game for free. There are many different open source licenses but they all must comply with the Open Source Definition - in brief: the software can be freely used, modified and shared.
After that trial period (usually 15 to 90 days) the user can decide whether to buy the software or not. TrialTrial software allows the user to evaluate the software for a limited amount of time. Demos are usually not time-limited (like Trial software) but the functionality is limited. In some cases, all the functionality is disabled until the license is purchased. DemoDemo programs have a limited functionality for free, but charge for an advanced set of features or for the removal of advertisements from the program's interfaces.
PaidUsually commercial software or games are produced for sale or to serve a commercial purpose.
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