# Modify a PostgreSQL Cluster
After creation, you can modify the name, properties, configuration details, upgrade the cluster version, and the maintenance period of a PostgreSQL cluster.
To restore a cluster, follow these steps:
1\. In the **DCD**, go to **Menu** > **Databases** > **PostgreSQL**.
2\. Click **Edit** in the **OPTIONS** column.
a. Alternatively, you can select a cluster from the list by clicking on its name or by selecting **Details** in the **OPTIONS** column.
b. Select **Edit** in the **Cluster details** tab.
3\. The **Edit** window displays the details of the cluster. You can edit the following:
* **Properties:** Modify the name of the cluster.
* **Cluster configuration:** Update the PostgreSQL version and the number of instances.
* **Instance configuration:** Modify the number of CPUs utilized, RAM size, or the storage.
* **Network configuration:** Displays the name of the data center, the associated LAN, and the dedicated private IP address.
* **Maintenance period (optional):** Displays the stipulated day of the week and the time scheduled for the maintenance window.
* **Delete cluster:** Select to delete the respective cluster. For more information, see [Delete a PostgreSQL Cluster](/cloud/databases/postgresql/how-tos/delete-cluster.md).
{% hint style="success" %}
**Result:** The **STATE** of the respective PostgreSQL cluster is set to **Busy** when the update process is in progress.
{% endhint %}
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