you nee to have finished the quest that septimus stignus gives u when you get the "elder scroll" you also must own a house with a bookshelf, take the Ohgma Infinium to your house and activate your book shelf. read the book and imeadiatly put it on the shelf(without closing the menu) activate the book on the shelf and click "do not read" then take it off the bookshelf, repeat till all skills are level 100 and you are lvl 81 and a half.