Once you've downloaded the Pokémon Let's Go Pikachu zip file, you'll need to extract it using a file archiver like WinRAR or 7-Zip. After extracting the file, you'll need to configure PPSSPP to play the game.
What are you using? (Android phone, PC, or actual PSP console?) What are your system specs ? (RAM and processor type) pokemon lets go pikachu ppsspp zip filezip
First, ensure you have PPSSPP installed on your device. You can download it from the official PPSSPP website or your device's app store. Once you've downloaded the Pokémon Let's Go Pikachu