Do you want a trivia game with next to no frills? Then you've found it! This is SimplyTrivia, here are the features:
Online Trivia Database: The main source of trivia is OpenTDB. Feel free to submit questions there!
Custom Question Packs: Create, download, and use packs of questions as trivia sources! Includes an intuitive and easy to use built-in editor for creating question packs.
This should run on pretty much any Windows computer? It's not system intensive at all.