I am trying to download a free trial of photoshop for my macbook pro and it says there is an error and that the requirements for the new version is not supported for the mac I have. I have looked at the list of requirements but have no idea how to te

I am trying to download a free trial of photoshop for my macbook pro and it says there is an error and that the requirements for the new version is not supported for the mac I have. I have looked at the list of requirements but have no idea how to tell what I do and do not have?