How to Correctly Fill in Binance Referral Code in 2026? PC Registration Tutorial & "USDT45" Referral Code Guide — Can You Fill It In After Registration?

⏰ T-Minus 10 Minutes: Pre-Registration Preparation

Before you even open the browser, prepare three things: a clean and accessible email inbox (Gmail or Outlook is ideal), a strong unique password, and the referral code USDT45 written down in front of you. If you have ever visited Binance on this browser, clear your cookies or open a fresh incognito window. This prevents stale session data from interfering with the referral tracking cookie that attaches USDT45 to your account at sign-up.

⏰ T-Minus 5 Minutes: Access the Official Binance Website

Type https://www.binance.com directly into your address bar. Do not search for "Binance" on a search engine — phishing ads that imitate the official website are a multi-million dollar industry. Once the homepage loads, look at the top-right corner. The Register button is orange and sits right next to the "Log In" button. Click it.

⏰ T-Minus 0: Create Your Account Credentials

Binance will present you with a registration form. Choose email registration over phone number whenever possible — in certain regional versions of the flow, the referral code field is buried or hidden when registering with a phone number. Enter your email address, then create a password that meets Binance's requirements (at least 8 characters, including uppercase, lowercase, and digits).

⏰ +2 Minutes: Find and Fill the Referral Code Field

Here is the money moment. Directly below the password field — or on the next step of the form, depending on your region — you will find a field labeled "Referral Code" or "Invitation Code". Some users miss it because it appears as a grayed-out box or hidden behind a small arrow. Click into the field and type USDT45 — all capital letters, no spaces, no hyphens. In most cases, Binance will display a green checkmark or a "Verified" message, confirming the code has been recognized.

⏰ +5 Minutes: Complete Captcha and Email Verification

Binance will ask you to drag a puzzle piece in the captcha slider. Then it will send a six-digit verification code to your email. Open your inbox, copy the code, and paste it into the submission box. You may also be asked a quick anti-automation question. Once the email is verified, click the final Register button. The clock starts now — the referral code is binding at this exact moment.

⏰ +8 Minutes: Verify Your 20% Discount Is Live

After logging in, go to Profile → Referral or Account → Fee Rate. You should see your spot trading fee listed as 0.080% instead of the standard 0.100%. That 0.020% difference is the lifetime 20% discount granted by USDT45. If you see 0.100%, do not trade a single dollar — contact Binance customer support immediately and reference your registration timestamp.

⚠️ +15 Minutes: What If You Registered Without a Code?

The short and honest answer: Binance does not allow users to retroactively attach a referral code to an existing account. There is no hidden "Add Referral Code" option in settings. Once the account is created and the registration flow is complete, the window closes permanently. Your realistic options are:

• Option A: Open a brand new email address and register a completely new Binance account with USDT45. Ensure you comply with Binance's one-account-per-user policy in your region.
• Option B: Contact Binance support and explain that you forgot to enter a code. If your account has zero trading volume and no KYC verification completed, support may close the account and allow a fresh registration.
• Option C: Accept the standard 0.100% fee and consider whether the savings justify the hassle. For traders moving under $10,000 per year, the cost difference is under $20 annually.

⚠️ Risk Warning: Read Before You Trade

Risk 1 — Irreversible Binding: The referral code binds to your account at the moment of successful registration. It cannot be removed, replaced, or added later. Double-check that you typed USDT45 correctly before clicking the final button.

Risk 2 — Phishing Sites: Scammers create Binance-lookalike websites with fake referral fields that steal both your code benefits and your credentials. Only use the official URL https://www.binance.com and enable two-factor authentication after logging in.

Risk 3 — Market Volatility: A 20% fee discount is a cost-saving mechanism, not a profit guarantee. Crypto trading carries substantial risk. Never deposit funds you cannot afford to lose, and treat fee optimization as just one component of a comprehensive risk management strategy.