diff --git a/src/instance.rs b/src/instance.rs
index b0de8ce..339175c 100644
--- a/src/instance.rs
+++ b/src/instance.rs
@@ -79,7 +79,7 @@ pub fn files_to_install_mod(
             install_from_dir(mod_to_install, mod_location.join(data_path))?
         }
         ModKind::Root => install_from_dir(mod_to_install, mod_location)?,
-        ModKind::Unkown => todo!(),
+        ModKind::Unkown => install_from_dir_to_data(mod_to_install, mod_location)?,
     };
 
     Ok(files)
@@ -138,6 +138,22 @@ fn install_from_dir(
     Ok(files)
 }
 
+fn install_from_dir_to_data(
+    mod_config: &ModConfig,
+    path: impl AsRef<Path>,
+) -> anyhow::Result<Vec<ModFile>> {
+    let glob_filter = create_glob_filter(mod_config.ignore())?;
+    let data = PathBuf::from("Data");
+    let files: Vec<_> = walk_files_recursive(&path)?
+        .map(|entry| entry.path())
+        .map(|file_path| file_path.strip_prefix(&path).unwrap().to_owned())
+        .filter(|rel_path| should_be_included(rel_path))
+        .filter(|rel_path| !glob_filter.is_match(rel_path))
+        .map(|rel_path| ModFile::new(&rel_path, data.join(&rel_path), 0))
+        .collect();
+    Ok(files)
+}
+
 fn create_glob_filter(rules: &[String]) -> anyhow::Result<GlobSet> {
     let mut builder = GlobSetBuilder::new();