This document provides an introduction to classroom hacks for Education 4.0 by Assoc. Prof. Dr. Azmi Mohd Tamil. It discusses how the audience and time for education is changing with more students accessing education remotely and increased use of technology. It introduces the concept of Education 4.0 in line with the Fourth Industrial Revolution, where learning will be less confined to physical classrooms and involve new pedagogies. While technologies offer opportunities, the document notes challenges in preparing teachers and adapting curricula to these changes. The workshop aims to provide quick educational hacks or techniques for utilizing different learning spaces, pedagogies, and technologies in teaching to help transition to Education 4.0.