There's no such thing as a build. There are spells (all wizards can scribe all wizard spells) and there is equipment (as a newbie, you shouldn't worry about equipment; just worry about affording your spells - eventually you will want to prioritize +mana and +intelligence gear).
These Wiki pages are helpful:
http://wiki.project1999.com/Wizard
http://wiki.project1999.com/Players:Newbie