What do I do next please ?.

[traveller]

Hi all,
I do not wish to sound stupid but I am no technophobe and would not pretend to be but I have managed to download this rom and wonder what do I do in basic terms to load it onto my blue angel.
Sorry for being a little stupid!.
many thanks
c

[xplode]

please read wiki

basics are put your device to bootloader mode and start the upgrade exe