Win 10 (from 7 Ultimate) upgrade wants to wipe all settings

Your disk schema is a bit wonky - this happens a lot when people put new drives in machines.

You might be able to quickly resolve this by disconnecting the 2nd HD, restart with ONLY the SSD connected.
If you haven't already, download the ISO instead of upgrading this pc in the Media Creation Tool. That way, if it fials, you have the install media and don't have to download anything other than Windows updates.
You won't need to put the ISO on a device - when the download completes, press the finish button

See: Download Virtual CD-ROM Control Panel from Official Microsoft Download Center
for Win7 only ... Win8 has native mounting support.
edit: I could not get the above tool to work, so I removed the suggestion from this post.

Use the above tool to mount the Win10 ISO as a drive, then run setup from that mounted drive.

If the upgrade still gives you trouble, try this with ONLY the SSD connected.
Startup Repair - Windows 7 Help Forums

Pay attention the the yellow tip box at the end - you might have to run the repair three time.

ddinc said:

It did not help.
Tried both suggestions + with Magic ISO Virtual disk.
Same result.
Tried to boot from CD in order to install to the HDD where it was formerly installed(SSD unattached)
here is some hint about previos version and repair option but in the end ı get "device is locked "?

I'm not sure if that is a message about hardware or about Win10 install. You'll have to post details (grab a picture with a camera or phone)

If you have any encryption running, that might be the issue. There's very little information to go on, so members need your help by providing complete details about your machine and the issues you encounter.

Hints don't solve technical issues

Excellent! Glad you got it sorted.