Windows

Windows Notes

Visit https://www.microsoft.com/en-us/software-download/windows10ISO
Select Windows 10 (multi-edition ISO)
Select English (united states)
Select 64-bit download
open virtualbox gui
Select "New"
Give vm a name
Select the iso file you downloaded in step 4
Make sure "type" and "version" are correct (Microsoft Windows and Windows 10 64-bit)
Leave "skip unattended installation" unchecked
Set username and password (vagrant/vagrant works)
Enter the product key.
Click next
Set memory and processors. Allocate at least 4 GB of memory and 4 processors.
Click next
Select Create Virtual Hard Disk Now
Create the vm
To fix slowness in Windows virtual machine in VirtualBox (Intel): Open the file /Applications/VirtualBox.app/Contents/Resources/VirtualBoxVM.app/Contents/Info.plist Find the line that says NSHighResolutionCapable and change to . This may need to be repeated every time VirtualBox is updated. (Source)

On boot press F12 to enter the one-time boot sequence
Use the Dell OS Support Recovery Assist
This can be done over Wi-Fi. The network you connect to must not have any spaces in the password. There could be other invalid special characters.
If this completes you're done! If not read on...
Try changing from RAID to AHCI.
GOTO 1
Create a Windows install USB key. I've had the best luck doing this from a Windows computer. https://support.microsoft.com/en-us/windows/create-a-recovery-drive-abb4691b-5324-6d4a-8766-73fab304c246#WindowsVersion=Windows_11
Enter the one-time boot sequence and boot from the USB.
In the installation drive selection step delete all existing drives. Don't finish the install. GOTO step 1.
If none of that worked you're on your own:/ In bocca al lupo!

Windows tries to force you to sign in or create a Windows account on first login. To circumvent

On screen that says "Let's get connected to your network" enter shift+F10 to open a command prompt
Enter OOBE\BYPASSNRO. Windows will reboot.
On boot you will go back to the "Let's get connected to your network" screen. Except this time there will be a "I don't have internet" option. Select this.

In the event that you connected to your network and got to the Windows Account Creation screen