Just add your language at the end of the URL link.
Examples:
https://<your ax address>/?cmp=USMF&mi=DefaultDashboard&lng=en-us --> English US
https://<your ax address>/?cmp=USMF&mi=DefaultDashboard&lng=de-de --> German-Germany
https://<your ax address>/?cmp=USMF&mi=DefaultDashboard&lng=ch-de --> Swiss-Germany
*This post is locked for comments