Insert the Blu-ray disc into your console's drive; it will automatically begin the installation.
For a visual walkthrough of the Steam installation process, check out this guide: resident-evil-village-installation-tutorial
Open the Steam Store and purchase the game or add it to your cart. Insert the Blu-ray disc into your console's drive;
Locate the game in the PlayStation Store or your Library and select "Download". Xbox Series X|S / Xbox One: resident-evil-village-installation-tutorial
Choose your preferred install location and wait for the download to complete (approx. 35 GB).