Question

start button is back in Windows 10​

Answer 1

Answer:

To make the Start screen the default instead, click the Start button and then click the Settings command.At the Settings window, click the setting for Personalization.At the Personalization window, click the option for Start.

Answer 2

Answer:

Ya start button wasn't available in windows 8 that annoyed the users very much so they added it to windows 10 :)

hope it helps :)