You can deploy the Avaya Hybrid Cloud Gateway Open virtual Appliance (OVA) on the windows machine by using vCenter server of VMware.
Note:
Avaya Cloud Delivery is responsible for downloading and deploying Avaya Hybrid Cloud Gateway as part of the Avaya Experience Platform™ (On-Prem + Connect) service activation. Customers cannot download Avaya Hybrid Cloud Gateway from Avaya PLDS.