# 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.

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

Parent topic: Model Management