I have a question:
Where are files published from Thingworx Studio stored? I mean if i upload for example pvz file to Thingworx Studio and then i publish it to Thingworx experience server where i can find it?
If you are asking about project files you can find those under the C:\Users\<username>\Documents\ThingWorxStudio\Projects directory.
The uploaded files like PVZs are under the C:\Users\<username>\Documents\ThingWorxStudio\Projects\test\src\phone\resources\Uploaded.
You will not have an access to files which were published to the Experience Service.
Yes, as you are in Trial program and your Experience Service is hosted with PTC, you don't have access to project files stored in the ES. But you can find them under your local Studio setup.