# Running Photon OS on vSphere You can use Photon OS as a virtual machine within VMware vSphere. You can download Photon OS, as an OVA or ISO file, and install the Photon OS distribution on vSphere. After you install Photon OS, you can deploy a containerized application in Docker with a single command. - [Prerequisites](photon_os_vsphere_prerequisites.md) - [Importing the OVA for Photon OS 3.0](importing_ova_for_photon_os_3.0.md) - [Installing the ISO Image for Photon OS 3.0](installing-the-iso-image-for-photon-os-30.md) **Note**: If you want to upgrade an existing Photon 1.0 VM, see [Upgrading to Photon OS 3.0](Upgrading-to-Photon-OS-3.0.md).