Shopify Payments is not currently available to store owners based in Turkey. However; if you are operating a business that you can provide operates from the United States, then we may be able to provide Shopify Payments for your store. In order to request Shopify Payments, you would need:
If you have all of the required documents, then I'd be happy to send your request up for further review. However; it is important to note that we can not guarantee you'll be approved to use Shopify Payments, even if you are able to provide the required documents.
That all said, Paypal is not available for Turkey; however, our list here provides all available payment providers which you can use in your store to accept payments.
Let me know if you have any questions!