Go to your Bitcoin wallet page and get the QR code.
​
Proceed to scan the QR code of your wallet address using the Bitcoin ATM scanner.
​
Enter the amount you wish to buy, then insert the cash. Give the machine a few minutes to process the transaction. Once you've done all that, check your Bitcoin wallet to confirm the sale. This usually takes 10 minutes or less.

You can watch the video on how it’s done;