I Checked the laptop specs for him,It's definately max 2gb
Also i recomend getting an external hardrive and copy your movies/music/photos (Or whatever you want to backup) to that,and then swap out the hardrive,then reinstall Windows.
Also,I Would just get 2x 1gb RAM.
No,You dont need an anti static belt.
When you reinstall windows,they will be cleared.I Recomend you install AVG once you have reinstall windows.