Instead, you must download the (usually an .ips file) and apply it to a clean Pokémon FireRed ROM that you legally own.
In Pokémon Ash Gray Version 4.2, you'll embark on a thrilling adventure as a young Pokémon trainer. Your journey begins in Littleroot Town, where Professor Birch, a renowned Pokémon researcher, helps you choose your very first Pokémon. As you travel through the region, you'll encounter a variety of wild Pokémon, gym leaders, and other trainers, all while thwarting the plans of Team Rocket. Pokemon Ash Gray Version 4.2 Download