To upgrade the module follow the below steps:
1. Log in to your client area https://members.whmcsglobalservices.com/clientarea.php and download the VMware module .
2. Extract module folder.
3. Upload addons folder to WHMCS (whmcs_root/modules/addons/).
4. Upload servers folder to WHMCS (whmcs_root/modules/servers/).
5. Upload crons folder file to WHMCS (whmcs_root/crons/).
6. Login in your WHMCS admin panel then go to "Addons" >> "WGS VMware" addon module.
7. Click on "Update module Setting" under WGS "VMware addon" module.