Oblivion. 10% Playing, 90% Modding.

Part 3 of this guide is a bit more advanced and covers how to apply and create ini edits, how to customize the toolbar and some general tips and tricks.

Part 2 of this guide covers how to use the mods and the saves tab, how to create a bashed patch (and what it's used for) and how to use savegame profiles.

Part 1 of this guide covers how to install Wrye Bash, some basics about its usage and how to install mods with the Bash Installer (BAIN).