Go to an online patching tool like ROM Patcher JS or download a desktop patcher like NUPS. Upload your clean FireRed ROM as the base file. Upload the Beta 2 patch file.
You will typically need a clean ROM of Pokémon FireRed (USA/Europe v1.0) . Pokemon Scarlet Version Beta 2 Gba Download
: Features such as Auto-Run, reusable TMs, and expanded bag space, similar to modern ROM hacks like Pokémon Unbound : Some versions, like Scrambled Scarlet Go to an online patching tool like ROM