Installation guides can be downloaded on https://fortin.ca/en/
anytime without any activation key or log in.
If no key was included in your purchase I would reach out to the seller who sold you the product through amazon.
It also looks like your evo is not set up, You will nee the flash link updater (https://fortin.ca/en/products/accessories/flash-link_updater/)
and the flash link manager program (https://fortin.ca/en/flash-link-manager.html)
in order to set the evo-one up for your specific vehicle. You will also get access to the instalation guides using the flash link once your module is set up.