For the ASUS X515EA, which typically ships with an Intel Celeron, Pentium, or Core i3/i5 processor and an NVMe SSD, the IRST driver is —it is the bridge between Windows and your physical storage drive.
Go to the ASUS X515EA Support Page under the Chipset category and download the latest IRST driver. Run the installer: Double-click the downloaded setup file. asus x515ea irst driver top
rather than "Install" to save the driver files onto your Windows installation USB drive. Loading the Driver Load driver on the Windows setup screen. For the ASUS X515EA, which typically ships with