Microsoft 365 features that help users manage their subscriptions, account settings, and billing information.
I had the same question. Make sure you have the Groupon app installed on your phone to enable you to see "My Stuff". Choose the product title you have purchased, you should see a QR code on your computer screen. This QR will be unique to your purchase, open it using your phone's QR app to reveal the Security Code and the Voucher Code you require to install the product onto your computer via your MS log-in