Be very, very careful before you try to Remove Office 10 - from Vista at least.
Nice bit of kit, if you don't mind soft being totally unlike early 2000 offerings. Great fun, but if you have the temerity to Remove the trial soft, look out.
It made wife's Vista turn into a veritable bogus copy, validation issues hitting us at each turn. Plenty on this forum and others.
Took us three days of arguing sessions, before they reset us.