If you have previous mod installations it is recommended to remove all existing mods and mod loaders before you start using Thunderstore/r2modman.

Make sure you are on the mono branch of Outward (see above).r2modman is a mod manager which is integrated with Thunderstore, and supports Outward along with other games. Thunderstore is a mod database which supports Outward. On Epic Store: you are on mono by default and dont need to do anything.If you see the 'radio buttons', make sure to click the radio button titled Version X.X.X:mono (where 'X.X.X' is the highest version number you can see) to update to the correct version. Select the drop down and select default-mono. From there, go to Manage Installation > Configure. On GoG Galaxy: From the Outward screen (where the play button is), click on the Options button to the right of the play button.On Steam: Right-click Outward in your Steam library, and choose: Properties > Betas > 'default-mono - Public default branch (mono)', there is no access code.In order to use mods, you need to be on a Mono branch of Outward.

Instal Outward Definitive Edition