I don’t believe it is possible. The collection is only available to PS5 owners. Likely as a way to give people more selection of games at launch. We don’t know a whole lot about it yet but I suspect If you own a ps5 and activate the games in the collection, you will also be able to play them on PS4. Although, if you own a ps5, why play on the older console. I’m sure we will find out more closer to launch.