PLUG INS

Hi everyone;
I have been given a Raw plug in from generous Andyt and cant seem to get it into photoshop 7.
Can anyone pls explain how to do this step by step?Ive tried for hours and typically no joy
Thanks John
I have been given a Raw plug in from generous Andyt and cant seem to get it into photoshop 7.
Can anyone pls explain how to do this step by step?Ive tried for hours and typically no joy

Thanks John