First, enter your wallet address. Make sure it is correct wallet address from 34 characters, no gaps or spaces. For example: TFFCxF8aFoY5uFbdAytQ8P3eF8ScFFGpYo
Then enter prefered coin or token you want to accept in your shop or for donations. This will be displayed on top of your QR code, for example: "TRX accepted here" or "Donate TRX"
When all fields completed press "GENERATE" button it will take you to the QR preview screen, from where you can ''SAVE'' TAG for social media and online use, generate snipped code for website ''DONATE'' button, or press "PRINT" to print and display generated QR code in your shop