No. Keygens are scams. All “working” generators are fake designed to infect your PC.
Since official sales have ended, you generally have two options to play PES 2021 on PC: Description pes 2021 activation key for pc free exclusive
An activation key is a unique code required to activate and play PES 2021 on PC. It is usually provided by the game developer, Konami, or purchased from an authorized retailer. or purchased from an authorized retailer.