diff --git a/vollerei/common/functions.py b/vollerei/common/functions.py
index 7d2d8b8..5192290 100644
--- a/vollerei/common/functions.py
+++ b/vollerei/common/functions.py
@@ -229,9 +229,12 @@ def install_archive(game: GameABC, archive_file: Path | IOBase) -> None:
     target_archive = None
     if archive_path.suffix == ".001":
         archive_path = archive_path.with_suffix("")
-        target_archive = multivolumefile.open(archive_path, mode='rb')
-        # TODO: Implement for .zip file (but I doubt it's needed cuz miHoYo uses 7z)
-        archive = py7zr.SevenZipFile(target_archive, "r")
+        if archive_path.suffix == ".zip":
+            # .zip split archive
+            archive = zipfile.ZipFile(archive_path, "r")
+        else:
+            target_archive = multivolumefile.open(archive_path, mode='rb')
+            archive = py7zr.SevenZipFile(target_archive, "r")
     else:
         archive = _open_archive(archive_file)
     archive.extractall(game.path)