if name of operating system starts with "Win" then
value "RegisteredOwner" of key "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion" of native registry as string
else
if exists value of settings "Registered Owner" of client then
value of setting "Registered Owner" of client as string
else ""
if name of operating system starts with "Win" then
value "RegisteredOwner" of key "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion" of native registry as string
else
if exists value of settings "Registered Owner" of client then
value of setting "Registered Owner" of client as string
else ""