For modern hardware (8th Gen Intel Coffee Lake and newer), the process is significantly more difficult, often requiring the injection of NVMe drivers and PS/2 keyboard emulation in BIOS, as USB support becomes increasingly complex.
: You must already have your bootable Windows 7 USB created. win7usb30creatorv3win7admin
If you cannot find this specific utility, you can manually add drivers using For modern hardware (8th Gen Intel Coffee Lake
The "v3" in your query refers to the third major iteration of this utility. The "Admin" Part: The tool requires Administrator privileges the process is significantly more difficult
file as an administrator on a machine running Windows 8.1 or 10.
Before you go digging for win7usb30creatorv3 , consider these modern options: