Video guide(ENG subtitles on it): 

https://www.youtube.com/watch?v=t8Q4tqvYtCU&ab_channel=SupportGames

 It’s main way, if it didn’t work, do as told below 

1. Enter the profile with data you’ve got after purchase. Click “Add new user” 

2. Settings of entrance and safety , click without restrictions 

3. Enter “My games and apps” 

4. Find game you need and download it 

5. To play from your acc , turn on the console(auto login from your profile) click left and enter account you bought, after you switch to your own acc and run game 

6. Don’t delete bought profile 

7. Play games without internet. If it crashes every time, activate our account as main on your console.