Abstract: The windows registry provides an extensive range of tweaks, tricks and hacks for optimizing, enhancing and securing windows. When, it comes to optimizing and enhancing windows, no other tool comes close to the Registry Editor (RE). In this study, we outline several comprehensive procedures for enhancing and optimizing the performance of windows with emphasis on windows XP. We believe these outlines will help computer users especially system administrators, to make a maximal use of the computer resources.