Epic Games is having a sale and Nioh: The Complete Edition is free to claim until 9⁄16 on their store
https://www.epicgames.com/store/en-US/p/nioh-the-complete-edition
here is a copy and paste of the response from the bethesda support representative
“Greetings!
Thank you for contacting the Bethesda Customer Support Team. My name is Devon and I will be assisting you today.
I understand you have some questions about redeeming a code for Deathloop. The code provided in the physical edition will be for Steam, you will need to ensure your Steam account is linked to your Bethesda account.
If you have any further concerns or issues please feel free to contact us, we would be happy to help!
Thank you,
Devon
Bethesda Customer Support”