It is fairly obvious why it won’t work
You are missing the /etc/samba/smb.conf or it is misconfigured.
Even the most basic samba requires knowledge … and nothing with relation to samba comes pre-configured.
You must learn how to configure samba and the topic linked above describes how you setup a basic samba service.
Another topic is [root tip] [How To] Samba Server From Scratch which goes into more details regarding permissions and user access.
A forum search for samba will also reveal a lot of topics.
If you want to create a user share using your file manager - besides configuring the samba server service - see the usershares section → [root tip] [How To] Basic Samba Setup and Troubleshooting