How to create a link in one column data item that leads to dounload link put in other column's data

Hello;
I'm novice user;
I need to make one column data to hold a a download link stored in another column's data
My table holds list of docs {Title, File path(hidden),Author, Date, File Type}
I need to assign a link to the {file type} data item that points to the {file path} stored in the hidden column; any help please !