DOOM: The Dark Ages Accounts

Use the credentials you received (directly or via an external website) and log into the account.
Make sure that the content on the account is correct (correct edition of the game, no playtime etc)
Change the credentials to make the account your own:
Change the email
Change the password
Add 2FA (Steam Guard)
Please note that it may not be possible to add the purchased account to an existing Steam Family and to enable Family Sharing.
The account should be used as a way of accessing the game/content you are interested in. It is not recommended to use it as your main account, as you might have issues with making purchases on it.
Applying any changes to the purchased account, such as adding a payment method or changing the region, may result in the account being banned. In such cases, no refund is applicable.

BECOME THE SLAYER IN A MEDIEVAL WAR AGAINST HELLDOOM: The Dark Ages is the prequel to the critically acclaimed DOOM (2016) and DOOM Eternal that tells the epic cinematic origin story of the DOOM Slayer’s rage. In this third installment of the modern DOOM series, players will step into the blood-stained boots of the DOOM Slayer, in this never-before-seen dark and sinister medieval war against Hell. DOOM: The Dark Ages's Features: REIGN IN HELL As the super weapon of gods and kings, shred enemies with devastating favorites like the Super Shotgun while also wielding a variety of new bone-chewing weapons, including the versatile Shield Saw. Players will stand and fight on the demon-infested battlefields in the vicious, grounded combat the original DOOM is famous for. STAND AND FIGHTExperience the origin story of the DOOM Slayer’s rage in this epic, cinematic and action-packed story. Bound to serve as the super weapon of gods and kings, the DOOM Slayer fends off demon hordes as their leader seeks to destroy the Slayer and become the only one that is feared. Witness the creation of a legend as the Slayer takes on all of Hell and turns the tide of the war. DISCOVER UNKNOWN REALMS In his quest to crush the legions of Hell, the Slayer must take the fight to never-before-seen realms. Mystery, challenges, and rewards lurk in every shadow of ruined castles, epic battlefields, dark forests, ancient hellscapes, and worlds beyond. Armed with the viciously powerful Shield Saw, cut through a dark world of menace and secrets in id's largest and most expansive levels to date.