Trying to install Premier Pro and no password?

Hello please could you help mE ? 
 I have a premier account it is Band new !! 
***I am trying to install premiere Pro via the installer the title says

premiere Pro installer wants to make changes enter password below____ 

 So my problem is I don't seem to have a password??
 what password are they talking about?

And how do I get one please?

I've tried my Adobe password that does not work 😞

 so my problem is I don't seem to have a password what password are they talking about? And how do I get one please? I've tried my Adobe password that does not work I was text two different passwords however those did not work and truthfully I have no idea where they came from anyways please can you help? I have a film festival to enter in five days! thank you 🙂