hey so you can just download the itch.io app on chromebook. i recommend following chrome os's tutorial on yt, there are three different ones, one from 2020, 2023, and 2025. personally the 2023 tutorial always works for me :D
Hiii sorry for the super late reply!! Here’s the link I used! - (2025 ver) https://www.youtube.com/watch?v=5fHF4JC6ATo