Robocopy kinda sucks because it changes the metadata of the folders when copying. (Maybe that is inevitable?) So https://youtube.com/watch?v=DNZ5JfBrndU… is wrong, it does not make an exact identical copy. DNZ5JfBrndU suggested "robocopy source destination /MIR" - mirror, which acts like rsync.
Robocopy Backup Tutorial for Windows
Robocopy is the best backup solution for Windows. This tutorial shows the steps I use to generate backups for personal computers and for file servers.