Step 1. Setting of the Search Options

Help -> Step 1. Search Options

Where to search Duplicate Files?



Find the necessary folders/drives and add them to the list by clicking "Add" button.
Update: You can also add directories by dragging them from the Windows Explorer.

Setting of the Search Options



Set the following options:

1. Set file mask
   Click "Define Masks" to select what kind of files to search
   
   
2. Set Min file size
   to exclude files with less size than been specified
   
   
3. Set Max file size
   
   

System Protection



Exclude system folders (e.g. "Windows", "Program Files" etc.) from the search if you want to protect them.

Check "Protect other system files" option to exclude system files (that are situated not in system folders) from the search.

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