Can I have 2 PS5 on the same account?
Yes. Each acct gets one “primary” console and can login to any other one as well. The benefit of the primary console is that any account on the console can play all the titles purchased by the primary acct. You also don't have to be online for license checking.
Can I use the same account on PS4 and PS5 at the same time?
One cool feature of the PS5 is that it's a standalone thing. Like PS4 before it, you can play on your last-gen console and your new one from the same account simultaneously. So, what does this mean? If you have two PS4s in your house, you likely share your digital games with a kid or sibling.
Can 2 PlayStations share games?
In the simplest terms, it allows you and another person to connect your libraries of games purchased on the PlayStation store and to access them collectively with fewer restrictions attached. For this process, you will only need access to a friend's PS4 and your main account details.
Can 2 people use the same PS Plus account?
So long as the account that has PSPlus is logged in, then yes. (You can have multiple accounts logged in at the same time on PS4.)
How many PS5 can be activated on one account?
Can I have 2 PS4 as primary?