Can I upgrade my lumia 820 to windows 10?

[Windows Central Question]

How can I upgrade from windows 8.1 to windows 10 using lumia 820?

 

[gpobernardo]

How can I upgrade from windows 8.1 to windows 10 using lumia 820?

If phones that would have accessed the technical preview would be eligible for the full and final OS version, then according to this article the L820 should be capable of being upgraded to Windows 10.