Thanks Edwin but unfortunately I have HOME version.
I'll check the registry for a setting like that.

FYI, I found ...
Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet...

I have the FAST insider preview of Windows 10 and the version of IE that goes with it (15031).
The 1st tab for IE has the current site, the second tab is to create a NEW tab and the third tab is to...