Veeam Endpoint Backup FREE is a free utility from Veeam, but I did not need to write this, since it it obvious!
It backs up Windows-based desktops and laptops. It does not provide bare-metal backup, (meaning that, first, you have to install it in Windows,) but it provides, among other options, bare-metal restore.
Of course, one might say, that its weakness (of not providing bare-metal backup) is also its strength, and I would tend to agree. By being installed in Windows, it is able to provide fast incremental backups with the use of VSS (Volume Shadow-Copy Services), scheduling, and other great functionality. But it would really be of most benefit, if it also included a bare-metal backup option, as well.
For more information, please visit https://www.veeam.com/endpoint-backup-free.html