Hello Feruqh Shariff,
Thank you for posting in Microsoft Community forum.
Did you mean the NTFS permission below on shared folder?
If so, make sure you have permission (or domain admin) to change permissions on this shared folder.
Then uncheck the Delete permission and save the permission.
Based on "Tried to Edi the Permission and uncheck the delete option but it doesn't work.", what error message did you receive?
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Daisy Zhou