Wildcard subdomain configuration on Helpdesk software

In order to create a sub-domain login link for clients to log in, we would like to configure the Wildcard sub-domain. In an effort to let the HelpDesk software work effectively, we would like to move the software files from a subdirectory to a sub-domain or any respective folder. We couldn't move the software files to the main/root folder as the WordPress files are residing... You can check these links to learn how does the wildcard can be configured without impacting the software performance [login to view URL] [login to view URL] Looking for an expert to handle this issue...