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Google Cloud Platform’s Virtual Machine can be accessed through your local file explorer. The easiest way to use keys is to set up keys in your local machine & GCP VM with SSH. The next step is to install the tools WinFSP and SSHFS-Win to mount the VM to the VM's file system on Windows or Linux. The process is a matter of seconds in Linux using the same tools as the previous article mentioned below to setup keys in the GCP Virtual Machine. You can use the same keys for any number of VMs.