Yakuza 0 system requirements state that you will need at least 4 GB of RAM. An Intel Core i5-3470 CPU is required at a minimum to run Yakuza 0. Provided that you have at least an AMD Radeon HD 6870 graphics card you can play the game.
Yakuza 0 will run on PC system with Windows 7 64Bit and upwards.
Note
GPU with a gpumark of 2600 to 3100, CPU with a cpumark of 4500 to 6300