NIS 2012 automatically installed on one of my computers & 15 days to activate

Hello,

 

I logged onto one of my computers today to find NIS 2012 automatically installing on it.  I do realize that I have Norton family safety installed on this same computer & tied my NIS 2012 serial to the same email address/Norton account.

 

My question is why would this program automatically install instead of asking me if I would like to install it?   What if I wasn't planning on using one of the installs on this particular machine, but instead of another machine in my home.

 

My 2nd question is, After I initially installed NIS 2012 on my main machine (different one from 1st question), it said I had 15 days to activate, but yet, it automatically activated right away.   What if I wasn't ready to activate at that time