Download it from Microsoft website in your Mac.Ĥ.- Open Rufus and check these options (image attached):Ĥ. So, in order to clarify even more if possible, the procedure is:ġ.- Formatting your SATA drive in your cMP using Disk Utility in ExFAT formatĢ.- Remove it from your cMP and use your USB caddy to mount it in your PC windows computerģ.- Load Windows 10 ISO in your PC. I followed indications from “quiet-cacophony” in point #4 of this threat (thank you so much!): Very fast, simple and comprehensible for normal users like me. Lastly, plug the USB drive into Mac and press Option key to select the drive from startup menu. Now, import DMG file and click Burn button to burn macOS dmg file to USB drive.

Secondly, download UUByte DMG Editor and insert a USB drive. Once the application is launched, the interface will look like this. Try your best to get it from reputable website like Apple, CNET, MacUpdate, etc. Once Rufus is downloaded, it can be launched directly without any installation as it is an application. After clicking on download, the download will start. I used a USB caddy ( actually an external USB SATA Hard Drive I opened to use ). Download Rufus from the official website The latest version is 3.12. I finally succeded installing windows 10 using RUFUS (very simple app for free -) in a computer running windows. This is useful if you have no Mac EFI Boot because you use a generic compatible GPU and you don't want to spend an extra money to buy an original Mac GPU or to flash one. I tried and failed using VirtualBox VM or Bootcamp adaptations. I have been trying in last few days several options to install Windows 10 in my cMP 5,1 after installing Catalina via Opencore using the excellent wiki here.

Rufus download for mac