MiniOS is an unofficial, third-party, "lite" modification of Windows 10. It is not created or endorsed by Microsoft. It often has components removed (e.g., Windows Defender, updates, system restore) to reduce size and resource usage. Use at your own risk, and only on hardware you don't mind reinstalling.
Open Rufus, select your ISO, and choose GPT (for UEFI) or MBR (for older BIOS) depending on your motherboard. windows 10 minios v201709 install
15–30 seconds from USB 3.0 SSD. Disk writes: Reduced by disabling logging, defrag, SuperFetch. Confirm Changes: A popup will show the changes