You will download the launch.ica. Open it using /opt/Citrix/ICAClient/wfica or wait when desktop uploaded
Firefox users: if download of file don't started open additions settings about:addons -> plugins and for Citrix Workspace choose option «Never Activate».
If connection don't work because of SSL Error 61, make sure that you copied certs from archive to correct path. In addition make link to additions for Firefox: sudo ln -s /usr/share/ca-certificates/mozilla/* /opt/Citrix/ICAClient/keystore/cacerts
Connecting to local drives
Open application Citrix Workspace(/opt/Citrix/ICAClient/selfservice)