This video will show you how to do just that, using Horizon (download it here.) You'll also want to download Modio and Win Rar.
Using a USB drive you can mod Oblivion and improve your gameplay.
Some of the better mods from different sources are listed below, as recommended by forum members. Basically, I'm too lazy to make new sections for everything under 'Tweaks - Other.' I'll do that some other time. Here you go: Saddle Bags - Enables horses to carry items. Mercenaries - Adds a wide variety of mercenaries at differing prices.
Enderal is free and can be played by anyone owning a legal copy of TES V: Skyrim.
(No DLCs are necessary.) It is developed non-commercially by Sure AI, the team behind the renowned Oblivion mod "Nehrim: At Fate´s Edge" (and various other projects).
Finally, a mod for Skyrim changes the prison system to work like it did in Oblivion, makes your pet dog more like Fallout 4's Dogmeat (now it, too, can fetch items), and makes a host of other interesting changes.
Here are the most promising mods we've seen this week.