League of Legends system requirements
CPU: 3 GHz processor (supporting SSE2 instruction set or higher)
RAM: 2 GB of memory.
HDD: 12 GB of free space.
OS: Windows 7 or higher operating system.
DirectX: 9.0c or higher.
Shader Model: 2.0 or higher.
Screen Resolution: up to 1920 x 1200.