We are afraid of losing all the programs installed on Windows 10 or starting the same operating system due to a virus or the hard disk breaking "> EaseUS Todo Backup. 
Be sure to click on the Download button under the presentation column of the free version of the application.
This version is excellent for home use and is very easy to use, so you will hardly feel the need to switch to paid versions.
If, on the other hand, we want to use EaseUS Todo Backup in the corporate environment, I highly recommend focusing on the Workstation version, so as to have a corporate backup solution to be able to reinstall the PCs with their respective backups simultaneously.
Once you have downloaded the right installer, simply start it to have the program available on Windows.
The interface will appear as in the image below.
The features shown with a padlock are not available in the free version, but can be unlocked by purchasing a Home or Workstation license.
2) How to backup the operating system
Once the program is installed on the Windows operating system, you can start the backup of the entire system by clicking on the button at the top System backup .
We will see a new window open, where you can configure all the options for backup.
Windows partitions should already be correctly selected in the upper part of the window (C: \ and any system boot partitions), while in the lower part of the window we will have to choose where to save the backup ( Path ), what name and description to give to the backup and other advanced settings.
As we advised you at the beginning of the guide, we save the backup outside the operating system in use, so that we can restore it even in case of failure of some component.
In order to change the backup saving path, we click on the small folder-shaped button on the far right of the Path field to open the choice menu.
We can choose any storage unit connected to the PC by clicking on the Computer item (all USB peripherals will appear, even hard disks and sticks) or, if you have a network drive, another PC or better still a NAS, access to resources via LAN via the voice Network or NAS Device (the program is compatible with the SMB, FTP or WebDAV protocol).
Once we have chosen the right path to save the backup, click OK to confirm.
In the backup setting window we can also schedule the backup to be performed at regular intervals ( Schedule ), choose the compression level and password protection for the backup ( Backup options ) or choose how to keep multiple backups, deleting the older ones ( Image Backup Strategy ).
At the end of the configuration, press Proceed to confirm the new system backup. If you want to backup immediately without waiting for the schedule, just press the Backup button in the new item that has appeared on the home.
The backup will proceed for at least half an hour or more, depending on the size of the space occupied by the operating system and programs, the CPU speed and the writing speed of the resource chosen as the backup destination (on network resources the speed could be much lower).
At the end we will have a nice backup of the entire system saved in a safe location, ready to be used in case of problems with the PC.
3) Create the environment for recovery
A backup is useless if we don't prepare the tools necessary for disaster recovery.
If the system we backed up to no longer starts or is locked, we will have to restore it using the bootable CD that can be created with the program itself.
We then open the program (even from another working PC!) And click on Tools -> Create boot disk .
We will see a new window similar to the one below.
We leave the default settings in the Startup disk type field and choose how to create the rescue disk.
We can choose whether to create the recovery environment on a USB stick, burning a CD / DVD or whether to save an ISO image file ready to be burned with a third-party program.
Alternatively we can create a recovery environment to start before Windows using the PreOS functionality, always available in the Tools menu.
4) How to restore a system backup
Whatever the solution chosen in the event of an emergency, simply connect the USB stick or optical disc with the recovery environment, correctly set the boot on the machine to be restored and, within the emergency operating system, select the program, start the restore, select the backup created and finally select the hard disk where to restore; the program will do the rest!
If we have enabled the recovery environment before the operating system we will see the following screen appear before each boot, so that we can restore even without the help of the disk (at least as long as the hard disk works!).
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