Before purchasing, ensure your PC can handle the game. While it is a "Season Update" of PES 2020, it still requires a decent setup for smooth performance: : Windows 8.1/10 (64-bit).
Because the game is older and servers are down, keys are often sold at a discount (though prices have ironically risen slightly due to scarcity and dissatisfaction with the new eFootball game). Efootball Pes 2021 Activation Key Pc