Anyone who uses your PS4 system can enjoy games and applications you purchase from PlayStation Store.
Where can I find instruction manuals for my PS4?
PS4 Online User Guide
You can access the PS4 online User Guide at manuals.playstation.net/document
Downloading your hardware manuals
All instruction manuals for your PS4 system, as well as official PS4 accessories, are available to download in .PDF format below.
The latest PlayStation 4 system software update
PlayStation 4 system software is available now. You'll need to update your PS4 system software to this version.
Sharing your "primary" PlayStation®4 system at home
Sharing games you purchase from PlayStation Store
Games you download can be played by users who share your PS4 system, such as your family and friends. You do not have to log in to the system for other users to play these games.
Sharing benefits from PlayStation Plus
If you join PlayStation Plus, membership benefits such as online multiplayer features can be enjoyed by users who share your PS4 system. You do not have to log in to the system for other users to enjoy these benefits.
Playing on other PS4 systems when you are not at home
Playing games you purchase from PlayStation Store
Games you purchase can be downloaded and played on any PS4 system if you sign in to PlayStation Network. There is no limit on the number of systems you can use.* Only you can start games that you download.
Enjoying benefits from PlayStation Plus
If you join PlayStation Plus, you can sign in to PSN from any PS4 system and enjoy your membership benefits.
*You can use up to two systems concurrently: the system activated as your "primary" PS4 system, and one other system.
Playing games on Blu-ray Discs
You can share Blu-ray Disc games with your friends and play used Blu-ray Disc games on your PS4 system just like you can on a PS3 system. You do not have to connect to the Internet or pay any usage fees to play used games.
Why should I activate my system as my primary PS4 system?
You can activate one PS4 system per account as your primary PS4 system. When you activate your system, the following features become available:
You can deactivate a PS4 system only via that same system. If you want to activate a different system that is not at your home as your primary PS4 system, you must deactivate the current primary system first. Also deactivate your PS4 system if you plan to transfer or dispose of it.
How your Friends list is displayed
Coinciding with the release of PS4, you will be able to become friends with up to 2,000 people on PSN. You can view your Friends list on any device you have signed in to with your PSN account. The number of players displayed varies for each device:
Which 100 players are displayed?
You must sign out of PSN and then sign in again, to update the players who are displayed. When doing this, also sign out of all other devices that you are signed in to PSN on.