how to backup & restore windows 10 from a laptop

Backup:

- boot to command line mode:
  + press win-x
  + hold shift while clicking on "shutdown"
  + select "troubleshoot" -> "advanced options" -> "command line"

- in the command line mode, assign letter(s) to the disks you want to backup:
  + diskpart
  + select disk 0
  + list partition
  + select partition=2  (the one with System type, maybe also the one with Recovery type)
  + assign letter=S
  + exit

- Capture disk images:
  + Dism /Capture-Image /ImageFile:c:\my-windows-partition.wim /CaptureDir:C:\ /Name:"My Windows partition"

- Reboot

Restore:

- Press Shift-F5 when booting from any recovery/install media, you'll have Dism and and diskpart there.
- Recreate the partitions:
  + ...
- Restore the disk images:
  + ...
- Restore the bootloader
  + bcdboot