Making a PSN account on a friend's Playstation 4

My question is kinda simple but I can't find a similar case on the web.
I am borrowing a friend's PS4 and don't own a PS4. I also don't have and never have had a PSN account.
I've created like a local profile on PS4 and have played quite a lot on it.
Now I would like to create a PSN account to save my trophies and cloud saves if it's possible and maybe later buy my own PS4 and log in with my PSN account.
- Will it in any way hurt or damage my friend's PS4 profile or PSN account, if I create a PSN account on his PS4 and login with it ?
- Like with the only one primary PS4 per account. This would make both my friend's and mine account use the same PS4 as the primary. Will it do something wrong to his account or PS4 ?
Best Answer
For primary accounts on a console there can only be one per account. When you make a new PSN account on his console this will make that PS4 be your primary console (I believe it does this for brand new accounts). You will not be able to do cloud saves without paying for playstation plus, but your trophies will be saved to the cloud by default since it is related to your PSN account. To answer your questions directly:
This will not damage your friends PSN account.
This will not do anything wrong to his account or PS4, though when you get your own PS4 you will need to deactivate your account as primary on your friend's PS4 (if by chance it is primary) or you will not have access to any purchases you may have made or will make.
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Can you have 2 PSN accounts on one PS4?
As long as the PS4 is set as the primary console for whichever account subscribes to PlayStation Plus, other PSN accounts on the same console can play online multiplayer, play downloaded games purchased with a PSN discount, and play the free monthly games available to PS Plus members.Can multiple people use a PSN account?
So long as one account on the PS4 or PS5 has PS Plus and is set as the primary account for that console, anyone who signs into that console with another PlayStation Network account will be able to share many of those benefits and play any digital games associated with it.How do I make a second PSN account on PS4?
Can I use my PSN account on my friends PS4?
Now you need to Switch User and log in to your PS4 using your friend's account. After this go to Settings and click on Account Management to activate your friend's PSN account as a primary account on your PS4.How to share PS PLUS for FREE! (Tutorial)(Easy)
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Answer 2
Your friends account will be totally safe. You have nothing to worry about there at all.
As for when you get your own PS4, since trophies and cloud saves are not stored locally, they will be available on your new PS4 as soon as you set your PSN account up under it.
In short, you shouldn't need to worry about a thing.
Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
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