Why can't I use Cortana (no microphone icon next to search box, so how do I get it please?)

[WPCentral Question]

I have just upgraded to Windows 10 and don't know how to activate Cortana speech which is what I wanted it for. Any ideas please, as I don't know anything about computers thanks.

 

[eusty]

http://forums.windowscentral.com/as...-microphone-next-search-box-windows-10-a.html