How do I change from 64Bit to 32Bit Windows 10 without reinstalling?

Windows 10 Pro 64 bit to 32 bit downgrade

1. Disable Secure Boot.
2. Enable Legacy Boot.
3. If Available enable CSM.
4. If Required enable USB Boot.
5. Move the device with the bootable disc to the top of the boot order.
6. Save BIOS changes, restart your System and it should boot from the Installation Media.