After payment, you will receive a unique code that you need to inform the seller in the correspondence on the order.
There are 2 steps.
1. You will also need to provide login information to your account (mail and password) from your Turkish account (You can create it if not), enable two-factor authentication on your account and throw off one of the backup codes (you need this for a faster login to account)
2. The second way is through the card.

Activation on accounts that have active subscriptions!

You will need to add an additional user account (Turkish account), use the username and password from the Turkish account
Return to your old RF account and enjoy the benefits of online games (except for free ones that were previously taken with a PS Plus subscription)
You will have access to online games without restrictions.
Subscription games to pick up on a Turkish account (Russian language is present in most games)
Account activation possible on PS4 console