Simple steps to start searching.

1. Add search path
   You can add file paths with criteria e.g. include sub-folder, file types, exclude folder.
   See more on Folders dialog.

2. Select search options
   You can select search types e.g. Same File Name, Zero Size Files, Byte to Byte, CRC32 and search options e.g. Include hidden folders and files.

3. Review search result
   After search is completed, you should review search result to verify if they are duplicates by previewing images, opening files and folders and view file properties.

4. Mark files for removal
   After search is completed you can mark files for copying , moving  or deleting. To do
   goto Action >  Marking > Mark All Duplicates. This will mark all duplicate files in each group or you can mark files base on the criteria by clicking on Marking Criteria.

5. Deleting marked files
   Click the 'Delete' button to delete all mark files be sure before proceeding. by default all files sent to recycle bin if you want to delete permanently then uncheck Recycle Bin option.
   To do goto Files > Recycle Bin.

6. Save search session
   Search parameters and options can be saved. Search result can also be exported. To do goto File > Save Session