FAQ:

How can I use my account?
Your account is for PC use only. You can sign in through the PlayStation overlay on games purchased via Steam or Epic Games Store to access features like trophies, friends list, and settings. Your account will also work with PlayStation published PC games that support account linking.

Can I use this account on a PlayStation® console?
No. Accounts from Serbia are currently available for PC use only and do not support console access.

Can I use the PlayStation®App? 
No. Accounts from Serbia are currently available for PC use only and do not support PS App access.

Can I sign in to PlayStation.com?
No. Accounts from Serbia are currently available for PC use only and do not support sign-in on PlayStation.com.