The content instructs students and new users on creating a complete system image backup in Windows 11, which involves backing up the entire PC's hard drive. The data can be restored to the point when the backup was taken. However, it highlights that this backup strategy is not ideal for all situations, particularly when only important documents need to be secured. Ideal for PCs with crucial applications and complex setups, the backup can be saved on external devices and used in case of system failure.