Just follow these quick steps to use:
Start File Crumble.
Starting interface as the follow shown.
Choose the type of files you need to shred, system default to shred the whole folder. Press "Next" to go.
Choose the folder you need to shred.
Add shredded folder list:
Choose the folders you want to shred in "Select Source Folder" and click "Add" to Shred Folder List.
Delete no need shred folder list:
Choose no need shred folder in "Select Source Folder", press "Remove" button and then "Complete" to go. Click "Next".
Loading shredded file list.
Return to Add Shred Folder List:
Click "Back" to return Add Shred Folder List.
Delete not shredded file:
Click "Remove" to delete the selected file you do not want to shred.
Shred progress prompt.
Click "Complete" button to return.