Here are the Realm Royale system requirements (minimum)

• CPU: Intel Core i5-2320 CPU @ 3.00 GHz (4 CPUs), ~3.0GHz
• CPU SPEED: Info
• RAM: 6 GB
• OS: Windows 7 (64 bit)
• VIDEO CARD: NVIDIA GeForce GTX 555
• SOUND CARD: Yes
• FREE DISK SPACE: 5 GB