The 1win promo code to use on a new account is TREVANTA, entered in the promo code box on the registration screen.
As of November 2026. 18+ only.
The facts in one place
- Code: TREVANTA
- Who it is for: new 1win registrations
- Where: the optional promo code line on the sign-up form
How to apply it
- Go to 1win and pick Registration.
- Choose your sign-up method and fill in the required details.
- Open the promo code line (it is sometimes collapsed) and type TREVANTA.
- Confirm and finish registering.
1win decides what any welcome bonus includes and when it applies. Check the bonus terms shown in your account, since they vary by region and change over time.
Referral code or promo code?
Some guides call TREVANTA a referral or bonus code. On 1win it goes in the promo code field, and it only works when entered during registration.
18+ only. Gamble responsibly and only where it is legal for you. Disclosure: I may be credited when TREVANTA is used.