You need to set the rights to authenticated users/everyone ( Read and Write ).
You can also try below steps to set NTFS permission for that shared folder.
-> Right click on that folder and go to Properties and from the Security tab, click advanced.
-> click "Change permission" and Click "Add" and type "everyone" in the box .
-> Open "everyone" end change its permission as you wish.
Please refer to below article for more information: