Dark Souls 3 minimal system requirements according to steam:
OK Windows 7 SP1 64bit, Windows 8.1 64bit Windows 10 64bit
Intel Core i3-2100 / AMD® FX-6300
4 GB RAM
NVIDIA® GeForce GTX 750 Ti / ATI Radeon HD 7950
25 GB dostępnej przestrzeni
Your CPU will be a problem here
All other components are fine.
This graph shows what i mean: