The Properties Tab

Here you can refine your search. These are the special refinements you can choose:

Find all files created or modified

Here you can either enter two dates, between which the files were created or modified, or specify a time period.

File size is

Here you can specify if the file has to be at least or at most as big as the size you entered in the following box, or else equal to the size.

Files owned by user, Files owned by group

Here you can specify user and group names as owner of the files.