You need lightning wallet which can either be custodial like walletofsatoshi and alby or non custodial like zeus or something selfhosted like btcpay. The firs type is basically plug and play but it works more like a bank where you don't controll your money. The second is a bit harder since you have to manage lightning channels.

After you set up your wallet you get an ln address which you paste in your profile settings and you're ready to receive sats