added command tar bash

README.md

@@ -18,6 +18,20 @@ It contains high-resolution images of multiple object and texture categories, in
 Official website:  
 https://www.mvtec.com/company/research/datasets/mvtec-ad
 
+---
+
+## Dataset format
+
+In this repository, the dataset is provided as a **single compressed archive (`.tar.gz`)** for fast and convenient download.
+
+After downloading, the archive must be extracted locally to obtain the standard MVTec AD directory structure.
+
+Example:
+
+```bash
+tar -xzf mvtec_ad.tar.gz
+```
+
 ---
 ## Dataset structure