While Your Own is the private-server version, keep an eye on the Life is Feudal: MMO project, which occasionally has different access models or testing phases.
However, if you are looking for a way to play, here are your best legitimate options: Life is Feudal: Your Own Free Full Game Download
Check the official developer site or sites like Humble Bundle and Fanatical , where the game is often included in heavily discounted survival game bundles. While Your Own is the private-server version, keep