Overall, while there isn't a completely free version of RPG Maker MZ, the free trial is a great way to test the software and its features. If you're looking for a completely free alternative, you may want to consider one of the options listed above.
You do not need to enter credit card information to start the trial, which can be downloaded via the official RPG Maker website. rpg maker mz free
If you meant something else (like free alternatives to RPG Maker MZ), let me know and I can recommend , Godot , or RPG Paper Maker (all free). Overall, while there isn't a completely free version