Deploying OmniVista Terra from vSphere Client
Login to vSphere Client and select the ESXI server on the left side of the screen from which you want to create the ovtx nodes.
Click on the VMs button.

Click on the Actions button and then click on the Deploy OVF Template option or right-click on the required ESXI server and then click on the Deploy OVF Template option.

Select the Local file radio button and click on the UPLOAD FILES option.

Select the downloaded OVA file and then click on Open.

Click on the Next button.
Enter the virtual machine name and then click on the Next button.

Choose the ESXI server or keep the default one and then click on the Next button.

Click on the Next button.

Select the datastore radio button and then select select virtual disk format as Thin Provision and then click on the Next button.

Select the network adapter based on your network and then click on the Next button.

12. Review the details and then click the Finish button.

Wait until the process is completed.
Follow the remaining steps from step 8 from the link below: