.. _apply-the-software-deploy-strategy-using-horizon-d0aab18cc724: ================================================ Apply the Software Deploy Strategy using Horizon ================================================ You can upgrade the platform software across the Distributed Cloud system by applying the upgrade strategy for Distributed Cloud Upgrade Orchestration. .. rubric:: |prereq| Create the Upgrade strategy for subclouds. For more information, see :ref:`create-a-software-deploy-orchestration-using-horizon-9f8c6c2f3706`. .. rubric:: |proc| #. Select the **SystemController** region. #. Select **Distributed Cloud Admin** > **Orchestration**. #. On the **Orchestration** page, select the **Strategy** tab. #. Click **Apply Strategy**. * To monitor the progress of the overall Upgrade orchestration, use the **Strategy** tab. * To monitor the progress of host Upgrades on RegionOne or a subcloud, use the **Host Inventory** page on the subcloud.