This is a complete step by step tutorials on How To Upgrade Any Windows Phone To Windows Phone 10 (Microsoft Lumia, Nokia Lumia.) You can upgrade from any version of windows phone such as Windows Phone 8,8.1 , as well as this is the official and full version upgrade Thank you.
Windows 10 Mobile Upgrade Compatible Device list:
Lumia 530 Dual Sim
Lumia 630 Dual Sim