Q&A for How to Play PlayStation 2 Games on a PC Using PCSX2

It emulates the PlayStation system to make the game playable,so it needs more RAM to run smoothly.

No, but you will need to configure the buttons.

Make sure your game is a .iso file and is not in a zipped folder. If it is in a zipped folder, unzip it. To make sure it is an iso file, its icon while browsing through files displays as a CD.

No, only if you want to download games or use the Bluetooth function. Other than that, you shouldn't need WiFi.

Try looking for better emulators. Or clearing your RAM by stopping unnecessary apps from working in the background. You can also download performance boosters, this won't fix your games directly, but will help the computer do it's job of giving you the best it can. Console video games are coded and built for specific computers, since all consoles are built differently. This is why emulators are needed, to "trick" the game into thinking it's being played on the machine it's made for. No emulator is perfect, so there will be lag in some places. PC and console games are coded differently. Hacking your game to rip assets and data from it, then use a game engine to rebuild them, isn't easy.

The games are coded differently to understand that there will be an external memory source. You can trick them into thinking they have one by creating a digital memory card, which is basically a folder that tricks the game into thinking it's a real memory card.