Usage instructions
Prepare Windows 7 installation USB Drive
Rename bootx64.efi at (UsbDrive)\EFI\Boot\ to bootx64.original.efi
Unpack bootx64.efi from UefiSeven archive and copy it to (UsbDrive)\EFI\Boot\
(Optional) Copy UefiSeven.verbose to the same directory to enable verbose mode
Finish initial installation and wait for reboot prompt
Power off computer
Rename bootmgfw.efi at (HDD)\EFI\Microsoft\Boot\ to bootmgfw.original.efi
Copy UefiSeven bootx64.efi to (HDD)\EFI\Microsoft\Boot\bootmgfw.efi using EFI shell
(Optional) Copy UefiSeven.skiperrors to the same directory to ignore any warning prompts.