Need help to script some common tasks

i'm

looking simple way script following tasks , wondering if can done powershell:

1. set autologin setting in registry

2. set administrator password predefined password

3. set administrator account force password change @ next login

 

can powershell used script these tasks , them done running 1 script? 

note, windows 2008 server, , servers stand-alone , not connected domain.

 

thanks!

 

do need done remotely or can locally?

for #1, sorry, setting exactly?  autologin or autologon (http://support.microsoft.com/kb/310584 ).

Windows Server  >  Windows PowerShell