Instructions
Press the "~" (tilde) key while in-game to activate the cheat console.
Enter "player.modav strength 10" without the quotation marks and press the "Enter" key.
Repeat step two for the rest of the character attributes by replacing "strength" with "perception," "endurance," "charisma," "intelligence," "agility" and "luck."
Enter "player.setav 100" without the quotation marks and then press the "Enter" key.
Enter "player.setlevel 20" without the quotation marks and press the "Enter" key.
Press the "~" (tilde) key to close the cheat console and return to the game. Your character will now have the maximum player attributes, skills and level.