In order to obtain a Polish driver’s license on the basis of one from another country you need to apply for an Exchange of a Driver’s License. It means that your document issued in another country is going to be taken away and a Polish one is going to be issued to you.
In order to do that you need to meet the following conditions:
– You have to have your residence address registered in Poland for at least 6 months before submitting the application.
– You have to have a legal base of stay in Poland (a visa or a residence card).
– You driver’s license from you country has to be valid.