Tried with Leap 42.1.
Loaded DvD and installed - then when reboot should have taken place just went into a 210 minute update of Win 10.
Now works in Win 10 - but no sign of repartition of HDD or of Linux.
All published papers about installing Linux on UEFI appear to end with Windows 8.1.
This is a dry run for installing Linux dual booting on a Lenovo T450S with SSD.