In order for you to play Hextech Mayhem: A League of Legends Story on Windows with minimal graphics settings, your computer must meet the following requirements
Operating System:
Windows 10 64-bit
Processor (CPU):
Intel Core i3-4130
Memory (RAM):
6 GB RAM
Graphics Card:
GeForce GTX 650 or Radeon HD 7770 (2 GB VRAM required)