:original_name: modelarts_23_0055.html

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Managing Model Versions
=======================

To facilitate source tracing and repeated model tuning, ModelArts provides the model version management function. You can manage models based on versions.

Prerequisites
-------------

You have imported a model to ModelArts,

Creating a New Version
----------------------

On the **Model Management > Models** page, click **Create New Version** in the **Operation** column. The **Create New Version** page is displayed. Set related parameters by following the instructions in **Importing Models** and click **Next**.

Deleting a Version
------------------

On the **Model Management > Models** page, click the triangle on the left of the model name to expand a model version list. In the model version list, click **Delete** in the **Operation** column to delete the corresponding version.

.. note::

   A deleted version cannot be recovered. Exercise caution when performing this operation.