Flash BOOTFILES, "start" kernel and FOTA using Multiloader.
After reboot it will open android recovery
Advanced -> Terminal Command -> Select -> Type "sh partition.sh"
Wait before on screen you will see "Partitions had been prepared"
Back -> Back -> Back -> Reboot -> Recovery -> Swipe to Reboot
Mount -> Enable MTP (if you see disable MTP - it is already activated) on this step PC can ask to install driver, use Android MTP driver
Copy Zip with ROM to Internal Storage or Sdcard -> Disable MTP -> Back
Install -> choose zip with ROM(mount point /sdcard for Internal storage and /external_sd for SD card) -> Swipe to Confirm Flash
Wait for flashing (about 10 min) -> Reboot System
First start take about 10-15 min, be patient.