This is a custom Windows xp Pro (32-bit) gaming computer with an i5-750 quad-core 2.66 GHz processor, 3GB DDR3 RAM, 500GB HDD, and a GeForce GTX 470 graphics card on a P7H55 Asus AHCI motherboard with overclocking capabilities. It is also possible to apply tweaks to Windows xp 32-bit to allow for more than 4 GB RAM to be utilized. All games seen in the screenshot are installed and have had relevant tweaks, patches, and updates installed to be compatible with the hardware. Some games will need graphics optimization. No CDs or downloads are necessary to play the games. Most of these games are from early 1990s to late 00's and were made for children ages 3-13.