Alternatively, if you have been assigned a Creative Cloud for Teams Subscription, in that case please check your email inbox for the "Welcome Email" Sent from Adobe with the instructions to setup your account.
You had to have already created a password to buy adobe software and get an Adobe ID. Same goes for logging into this forum. You used your Adobe ID, Email Address and Password, to log in here and post this question.
I suspect what is being asked of you is to type in your computers Administators password to actually Install some Adobe software. That password is the one you use every time you start your computer.