# Managing License

To configure the Licenses for ASN Nodes from the FlowVision GUI, click **System > Licence**

This page displays the current license details in a table format along with Node IP, MAC Address & Serial Number allowing you to either add a new license key for a new ASN device or update an existing license.

* The following license details are shown for each ASN device:
  * Subscriber License Key, Type & Status
  * Application License Key, Type & Status

<figure><img src="https://content.gitbook.com/content/YfL8XRgjJPMQgyU7TZUv/blobs/5dNtPb7S9kRkpO0zF4Iq/Screenshot_5.png" alt=""><figcaption><p>License page</p></figcaption></figure>

### **Adding or Updating a License**

To **add or modify** the license for an ASN node, follow these steps:

1. Click on the **Edit** button on the license table next to the respective Node
2. A **popup window** will appear with the following fields:
   1. Subscriber License Key
   2. Application License Key
3. Replace these fields with valid License values
4. After making the changes, click the **Save** button to apply the new license key

{% hint style="info" %}
#### Please reach out to [Aviz Support](../../support/how-to-contact-aviz-networks-support) for License Key
{% endhint %}

<figure><img src="https://content.gitbook.com/content/YfL8XRgjJPMQgyU7TZUv/blobs/QPq2AaOgD37cZJu5JQBj/Screenshot_6.png" alt=""><figcaption><p>Update License Key</p></figcaption></figure>

#### Information Icon

In the **License Information Table**, the **Subscriber License Key** and **Application License Key**columns include an **information** <img src="https://lh7-rt.googleusercontent.com/docsz/AD_4nXd54VcSgRCdPtE-maM7raxKNkDNXqpvxaT1iM0llaf_zDhkn4FjyMiW_jDQsnDW9fOj6lcfSsixuKiTJz5nfy2i1k5xtfIpe9fPbkKFso8ZK4PJ-RvDf_LgIv-4v5wwRH5rpBj945xBu9dO7y-UiQTxbjfj?key=hO3Z-AIuwUFFZQn5h3x8aA" alt="" data-size="line"> icon

* When hovering over the info icon, detailed license information will be displayed, including:
  * License Type
  * License Status

<figure><img src="https://content.gitbook.com/content/YfL8XRgjJPMQgyU7TZUv/blobs/ZFEewjtfMMqqw3pyOTn3/Screenshot_7.png" alt=""><figcaption><p>License Info</p></figcaption></figure>
