Microsoft Windows [Version 10.0.19045.5198]
(c) Microsoft Corporation. All rights reserved.

C:\Users\<user on server or local computer here>>cd \
C:\>ssh-keygen -t rsa -b 4096 -m PEM -f {path to save key files}\{Keyname} -N ""
Generating public/private rsa key pair.


...

return to sftpgo account and paste the public key in your user profile.


connect and upload file:


C:\>sftp -P 2022 -i "{path to saved key file}\{Keyname}" {<sftpgo username}@150.136.197.121
Connected to 150.136.197.121.
sftp> put {path to file}\my_file.ext
Uploading {path to file}\my_file.ext to /my_file.ext
my_file.ext                                                                          100% 6618   923.3KB/s   00:00
sftp>