- completely format your external ssd into ntfs using your gist's instructions
- install virtual box on ubuntu host (get the deb for the latest virtualbox from official site)
- check the box for guest additions install
- install vbox extensions pack from official site. Then Tools -> EXtensions -> Install, to install that.
- add your user to vboxusers group (this allows usb sharing access inside machine)
- setup a win10 machine on virtualbox
- add the external ssd to the shared device inside the USB tab of machine settings
- install halseo wintousb tool in it
- get the win10 iso by going to "download win10 iso", downloading that tool, getting the iso file
- use the wintousb tool to install that onto ur ssd
- close vbox. That is done now.
- keep ssd connected and reboot ubuntu.
- press f10 and select boot from ssd (it may restart, then do this again)
- once win10 normally working, you can do https://chatgpt.com/share/679fd419-bf80-8000-8adb-e3353077634f setup for convenience (to add win10 to grub menu while booting, if you dont want to do f10 everytime)
- https://askubuntu.com/questions/1425637/how-can-i-add-windows-11-to-grub-menu
- https://askubuntu.com/questions/805021/add-windows-to-go-external-hdd-to-grub2-boot-menu
- https://askubuntu.com/questions/1362467/cant-enable-enp3s0-ethernet-interface-and-ethernet-wired-simply-does-not-work
- https://www.youtube.com/watch?v=h-EOHbVqsJg
- https://www.youtube.com/watch?v=9kNn6gJjrBE
- https://www.omgubuntu.co.uk/2017/06/create-bootable-windows-10-usb-ubuntu