Study / For a student in Poland - how do they do internship? [26]

Dear friends,
My name is myrat, i want to do internship abroad, my classmates told me that doing internship in poland is a good choice,but i dont know how to choose a suitable one ? could you tell me how you polish students do internship ?are you participating in internship program or asking school career centre for help?

i want to broaden my horizon and practice my language as well as accumulating professional skills. wish to through this internship abroad experience, i can reach a new stage in my career.