If you do not have a secondary, working Mac laptop or desktop available, your only course of action is to create a bootable macOS installation USB using a standard Windows PC. Because Windows does not natively read or accurately format the GUID Partition Table and Mac-specific file systems required for a bootable drive, standard tools like Rufus often fail.
Typical findings:
Supporting everything from legacy Mac OS X versions up to modern operating systems. How can I create a macOS bootable usb on Windows 10? Ultradmg - Crack