D-Link ShareCenter DNS-345 User Manual page 267

Section 4 - Configuration
Click the Browse button to find the file you wish to share, enter a Share Name, and click Add.
Select the user access rights for the file and click Close. The file now appears in the Share List directory.
Note: Please refer to Users/Groups under Account Management to
create guest user(s) for accessing your ShareCenter.
D-Link ShareCenter DNS-345 User Manual 262