Well, If you are playstation fanatic, this stiff is for you.. You want to play playstation games in your own PC? YES, you can play it and experience it the same with playstation console. Just follow this steps:

• Download an playstation emulator. Goto official EPSXE site www.epsxe.com or follow the link below. Then download the emulator.

http://www.epsxe.com

http://games.softpedia.com/get/Emu/ePSXe.shtm

• After you download the emulator ex: ePSXe v1.6.0, check first the requirements, then install it.

• After you installed the emulator, you have now the Playstation console in your PC. *Note you will do some configuration on your support video grapics and sound. Dont get confused, choose one option on the combobox then try it. (you will do a little trial and error here...)
• And Now you need a playstaion cd. If you have you can insert it into you CDROM and follow these steps:
  • Open the EPSXe]
  • Click on FILE > Run CDROM
  • and now you can PLAY
• But if dont have a Playstation CD, Oh boy... Dont worry, you can get it and download it.
• You must have a torrent downloader like uttorent. Download this uttorent
• after you download install it.
• Configure your utorrent, click on start on windows startup.
• Now you will need a torrent files for your games.
• fire up the firefox or i.e. type www.isohunt.com
• search games you want on isohunt. This site will display result and you can download the torrent files. *Hint Choose torrent files that have more seeds.
• download it and open it to your utorrent. Most of the games you can download is in ISO format or ISO Image. Dont be so confuse about this one.
• Once the download completed, RUN in the EPSXE. Open EPSXE, then click on FILE > RUN ISO.

• Now.. You can play.. HAVE FUN...

Thanks for the sources: