Dell XPS Notebook Reimage "How-To" Guide: www.laptopsdirect.co.uk/PDFs/1PF7R_UserManual1.PDF?v=1
Select Load driver.
Press "browse" to find IRST driver file (iastorAC.inf) and load it.
Unit will detect the NVME SSD and then follow step by step to finish Win10 OS installation.
After completing the OS installation, insert the Dell RDVD.
Select the IRST driver and follow the installation procedure.
Note: the latest IRST driver can also be obtained from support.dell.com under the "SATA Drivers" section.