1)Download and install nSoftware SFTP Server
https://www.nsoftware.com/sftpserver

Click Download or go to below link:
https://www.nsoftware.com/sftpserver/download

Download and install the FREE Starter Edition for Personal and Commercial Use.


2)Configure and start SFTP Server:

Server Settings:
----------------
Default Root Directory = C:\SFTPRoot
SSH Port = 22

Users:
------------------------------------------
| user     | password | Root Directory   |
|----------|----------|------------------|
| admin    | pass     | C:\SFTPRoot      |
| user01   | pass01   | C:\SFTPRoot\S01  |
| user02   | pass02   | C:\SFTPRoot\S02  |
------------------------------------------


3) Download and install FileZilla SFTP Client
https://filezilla-project.org/


4)Connect from FileZilla to SFTP Server using users: admin, user01, user02