I am computer stupid to start with so now that thats out of the way..... I cannot figure out how to download the new 4.0 bluetooth stuff from sena? I figured I just plug in the unit and it figures it out , well that aint happening . Any help or instructions appreciated , thanks

Assuming this is an SMH-10...

http://www.zggtr.org/index.php?topic=2169.0

But the first thing is to get the correct installer sw first.  I'm moving this over to the SMH-10 area.  Try reading through that post and if you still have issues let us know and we'll  try to help out.  Read the last page...