To add users or groups to a share follow the steps below:
- Open the shares menu and select "User/group access" from the options dropdown of the share. Take time to make sure you have expanded the correct drop-down.
- Select desired users and groups. You can select both read-only and writable via checkboxes. You can use the search dialog boxes and also filter to show current access.
- Select "Apply"
- Go give it a test!