# Execution through Client/Agent/Grid
## Executing through Client
To execute the execution through client, perform the following actions:
1. On the **Home** page, select required project and select **Design Studio**.
2. Select the **Execution** tab.
3. Expand Folder and select **Execution List** for configurations.
4. From **Configurations** page, select **Client**.
5. From **Client** dropdown, select active client.
{% hint style="info" %}
**Note**: A single instance does not support running multiple clients on the same machine at the same time. This gives an error as **Array** **variable has incorrect number of subscripts or subscript dimension range exceeded***.*
{% endhint %}
6. From **Browsers** dropdown and select **Browser**.
7. Select **Save** to save all the changes.
8. Select parent folder and select **Execute**. The **Execution Now** dialog opens.
9. Select **Execute** to execute the **Execution List**.
## Executing through Agent/Grid
To execute the execution through agent/grid, perform the following actions:
1. On the **Home** page, select required project and select **Design Studio**.
2. Select the **Execution** tab.
3. Expand Folder and select **Execution List** for configurations.
4. From **Configurations** page, select **Agent**.
{% hint style="info" %}
**Note**:
* A single instance does not support running multiple agents on the same machine at the same time. This given an error as **Array** **variable has incorrect number of subscripts or subscript dimension range exceeded***.*
* To learn how to Install Avo Assure **Agent**, refer to [Agent](https://docs.avoautomation.com/administration/agent).
* To learn how to create Avo Assure **Grid**, refer to [Grid](https://docs.avoautomation.com/administration/grid).
{% endhint %}
5. From **Agent** dropdown, select active or created agent.
{% hint style="info" %}
**Note**: By selecting number besides Agent name, Agent’s client count can be increased or decreased.
{% endhint %}
6. From **Browsers** dropdown, select **Browser**.
7. Select **Save** to save all the changes.
8. Select parent folder and select **Execute**. The **Execution Now** dialog opens.
9. Select **Execute** to execute the Execution List.
{% hint style="info" %}
**Note**: After configuring the settings while creating the Execution List, you can validate and modify them in the **Execute Now** window.
{% endhint %}
