ssh-keygen -t rsa -b 4096 -C yourname@protonmail.com

   ssh -v administrator@192.168.1.246 -i "d:\id_rsa"
 ssh -v administrator@localhost -i "d:\id_rsa"
 
 authorized_keys in .ssh or administrators_authorized_keys in programdata 
 put public key (on server)
 
 in window 
 if private file error permission - security - advanced - disable inheritance 
 delete another user except administrators & system