For a software-only installation, you require a software-only packaging for a fresh installation of Avaya Hybrid Cloud Gateway. A single tarball file for software-only installation includes the Avaya Hybrid Cloud Gateway bin file and the software-only system layer in 1.0.x.x.x versioning. For every release, you can download the software-only packaging from PLDS. You can upgrade Avaya Hybrid Cloud Gateway using the remote upgrade procedure.