Add the QVD repository

# rpm --import https://www.theqvd.com/packages/key/public.key
# zypper ar http://theqvd.com/packages/sles/12SP1/QVD-4.1.0 QVD
# zypper ref

Install the QVD client

# zypper install perl-QVD-Client

Execute the QVD client

Depending on the environment of the desktop, you should be able to access the client inside the menu "Applications", usually in the submenu "Internet". As an alternative, you can execute the GUI of the client from the console using the command /usr/lib/qvd/bin/qvd-gui-client.pl.