The download is 'tolerated' only when you have a real PS2. However, I must warn you: this is copyrighted material and as such is not freely downloadable from Internet. The fundamental components I am referring to are the BIOS of the PS2, without which PCSX2 cannot be used. Do not start the emulator as some essential components for its operation are still missing. When done click the button Search to finish the installation procedure of PCSX 2. At this point, if necessary, check the option I accept the terms and conditions of the license, click on Install on pc and wait a few minutes for the components to download and install DirectX necessary to run the emulator on your PC. exe ) and, in the window that opens, first click Sip and then close es Install on pc. When the download is complete, double-click it to open the file you just downloaded ( pcsx2-xx-setup. To download it on your PC, connect to its official website and click on the item first Windows and then on the button Download placed under the heading Standalone Installer PCSX2 xx - Version: xx. The best PlayStation 2 emulator currently available on Windows is PCSX2, which is completely free and very easy to use (although it does require a bit of a tedious initial setup).