Squad 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.

Squad is a large scale combined arms multiplayer first-person shooter emphasizing combat realism through communication, team play, emphasizing strong squad cohesion mechanics as well as larger-scale coordination, tactics, and planning. It features large open maps, vehicle-based combined arms gameplay, and player-constructed bases to create a heart-thumping, visceral gaming experience with split-second decision-making in real-world scale firefights.