If you haven't got a account or if you choose not to link accounts, you can log into the game through the 'Sign in with Steam ID' button. To link the accounts, enter your account data (e-mail and password), click 'Log in' and confirm that you want to link your accounts. Once you've launched the game, you will see these fields on your screen. Here is a brief guide on how to link your Steam and accounts This will allow you to continue to use all the additional features of the game. We encourage you to sign up for a account if you don't have one. If you previously played Crossout or have a account, we recommend that you link your Steam and accounts when you first start the game through Steam.If this is not done when you first start the game from Steam, then in the future you will not be able to link your accounts.