After registering and logging in, click the phone icon in the upper-right corner.
Open the browser there and enter muse.ai. Then register as instructed.
For age verification, you can choose a credit card (a debit card works too), as well as Instagram or Facebook.
I chose a credit card; 1u will be charged, but it will be refunded later.
Click Settings in the bottom-right corner of the page, select Redeem Code, and enter: 4AAGWV to receive 1B token.
