This document provides instructions for using Proteus software to simulate and design digital circuits. It discusses: 1) The objectives of learning to use Proteus software to simulate designed digital circuits and understand how to apply digital logic equations to hardware designs. 2) How to use tools in Proteus like parts browsing, power supplies, input generators, and logic state components. 3) How to simulate circuits by placing components, wiring them, and using logic probes or waveform displays to view output measurements. 4) Some example assignments involving creating circuits from logic equations and comparing/reducing equations, and plotting input-output relationships.