Minimum:

OS: Windows 7 64Bit Service Pack 1 or higher
Processor: Intel Core 2 Duo 2.4GHz
Memory: 3 GB RAM
Graphics: Nvidia GTS 450+ with 1024MB+ VRAM (excluding GT) and Intel HD Graphics 4000+
DirectX: Version 11
Storage: 10 GB available space
Sound Card: Direct X 11 sound device
Additional Notes: For more detailed specs to optimize the performance of Minecraft: Story Mode - Season Two, please visit: http://steamcommunity.com/games/639170/announcements/detail/1423551455081257362http://steamcommunity.com/games/639170/announcements/detail/1423551455081403124

Minecraft: Story Mode — Season Two screenshots