İntro To Pathway Evolutions

I want to use into to pathway evolutions (which gives gamechanger or trivela) on Mathys Tel however it is not avaible.I don’t use it and it is expiring on 27 October.Also in fut.gg says this evolutions don’t have any requirement so why I don’t see and use it?Can you check guys🙏🙏🙏🙏