KlarnaCustomer serviceProducts & servicesHow to use KlarnaHow to use KlarnaHow to use KlarnaHow can I avoid late fees? | Where can I use Klarna? | Who can use Klarna? | Does Klarna charge an annual fee? | How much am I eligible to spend? | How can I make a formal complaint to Klarna? | Does Klarna perform a credit check on me, and will this affect my credit score?How can I avoid late fees?Where can I use Klarna?Who can use Klarna?Does Klarna charge an annual fee?How much am I eligible to spend?How can I make a formal complaint to Klarna?Does Klarna perform a credit check on me, and will this affect my credit score?