Write install script

HI

I'm a complete noob when it comes to power shell and scripts so im here to ask how or for someone/guide me on what to do.

I have a server 2008 R2 ent DC and i want to apply a GPO install script to all machines in the office which are windows 7, the install files are kept in one location and should be moved to the client machines location c:\windows (so script needs to put them here from a shared path or whatever) then i need the script to run:

cmd as admin c:\windows>bwscan.cmd

cmd as admin and c:\windows>columbus /install

Then start the service "bwcolumbus" if possible

Any information on this would be great

Thanks

Simon