Here are step-by-step instructions on how to buy OKB with USDT:

1. Choose a reliable cryptocurrency exchange that supports the trading pair of OKB/USDT. Some popular exchanges that offer this pairing include. Register your account here to receive your $10 dollars!! partner.bybit.com/b/20829

2. Create an account on the chosen exchange if you don't have one already. This usually involves providing some personal information for verification purposes.

3. Complete any necessary verification steps, such as submitting identification documents or setting up two-factor authentication, if required by the exchange.

4. Deposit USDT into your exchange account. To do this, find the "Wallet" or "Funds" section on the exchange's website or app. Locate the USDT wallet and click on the "Deposit" or "Send" option. Follow the instructions on the screen to generate a deposit address or scan the provided QR code.

5. Transfer the desired amount of USDT from your personal wallet or exchange to the deposit address generated in step 4. Take note of any minimum deposit requirements or network fees associated with the transaction.

6. Wait for the transaction to be confirmed on the blockchain. This usually takes a few minutes, but can occasionally take longer depending on network congestion.

7. Once your USDT deposit is reflected in your exchange account, visit the trading section of the platform. Look for the OKB/USDT trading pair. If you can't find it, try searching or navigating through the listed trading pairs to ensure it is available.

8. On the trading page, locate the "Buy" or "Place Order" section. Specify the amount of OKB you want to buy and select the "Market" order type to purchase at the best available price instantly. Alternatively, you can use the "Limit" order type to set a specific price at which you want to buy OKB, provided someone is willing to sell at that price.

9. Double-check the details of your order and click on the "Buy" or "Place Order" button to execute the trade.

10. Once the trade is completed, you will see the OKB tokens in your exchange wallet. It is recommended to transfer them to a personal wallet for added security.

Remember, cryptocurrency trading involves risks, so make sure to do thorough research and only invest what you are willing to lose.