How to connect VM using private key and SFTP in WinSCP ? January 1, 2021January 1, 2021 Editorial StaffLeave a Comment on How to connect VM using private key and SFTP in WinSCP ? This tutorial guides you on how to connect VM using private key and SFTP in WinSCP. For our exercise let’s assume a virtual machine (VM) instance is up and running in Google cloud.