This extensive ebook covers 99 tuning tips for windows xp. You can if you want pay tens of dollars for similar information or you can get it here for $1.50. Fully illustrated with screen shots that takes you carefully step by step through many common tasks to speed up your pc - playing with some of the deep processes of the operating system is not for the feint hearted but this ebboks certainly helped my on some of these tasks. PDF format 51 pages with screen shot illustrations of main screens.