To enter the W2-PR into Turbo Tax you can follow this link on How to Enter W2-PR.
While Puerto Rico is a U.S. territory, it is foreign income. You are not a citizen of Puerto Rico so you do not have to file a return there. Your U.S. return will give you credit for the taxes you paid to Puerto Rico.
The link above includes navigation instructions for the W2PR along with entering the foreign tax credit.
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