For SaaS Customers: AWCM is automatically updated.

For On-premises Customers: When a new version of AWCM is available, it will install automatically when you perform an AirWatch upgrade if you have AWCM selected as a component on the AirWatch Features screen, as shown below: 

AWCM_Upgrade

See the VMware AirWatch Upgrade Guide (available to partners and existing customers at: https://resources.air-watch.com/view/xm92c772sbl39zg658k9 ) for more information on this process.

For customers upgrading from AWCM 4.x to AWCM 6.x and wanting to use explicit clustering, please refer to the following KB article:  https://support.air-watch.com/articles/115001665788.