Can you help to create the table ?
the basic outline of how to accomlish this is:
1) you need a table that contains the names of the files to download:
downloads
downloadID - Primary Key
downloadFileName - the name of the file to download
2) you will need a table to record the downloads by the user:
userdownloads
userdownloadID - Prioary Key
userdownloadUserID - releates to the users.UserID column
userdownloadsDownloadID - relates to the downloads.downloadID