Wrong forum. Here you have "Adobe Reader".
For Flash Player visit:
From this you can use the links to the sub-forums for Installing Flash Player and Using Flash Player.
Good to know is that no password is needed to download, install and use Flash Player.
For the Acrobat / Adobe Reader Flsh Player see:
And remember: there is no Flash Player password. There is the password you chose when you first switched on your computer, and you need this when installing or updating most software.