UnPark your CPU Cores EASY 2021 ~ Unpark Cores Tutorial | Get Maximum PERFORMANCE & FPS in Seconds!
It may help you decrease lags in games, though. Lags and stutters happen in the time Windows unparks cores to solve the issues, and manually unparking them will save you that time. The same goes for old CPUs. Unparking cores will affect the performance more if your CPU isn’t new and responsive.