You must have a Cable or DSL service provider and the hardware to connect with WIFI or ethernet cable. Then it is just a matter of setting for the PS3 see related link
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You can't play PlayStation games on the Internet, but if you have a PlayStation 3, you can go on the PlayStation network and play with other people through the Internet.
In the ethernet port in the back of the ps3. You need an "ethernet cord" though. Not internet cord.
You can not play PlayStation 3 games on a PlayStation 1, but you can play PlayStation 1 games on a PlayStation 3. All of the PlayStation consoles are backwards compatible.
You have to download the mods from the internet onto a flash drive and download the mods to the game you got them for.
PlayStation x PlayStation 1 PlayStation 2 PlayStation 2 slim PlayStation 3 PlayStation 3 slim Coming soon - PlayStation 4