... using bitcoin in the form it was designed by its inventor
After a couple of attempts to derail Bitcoin, the original Bitcoin is now also called Bitcoin SV (BSV). SV stands for Satoshi Vision. Satoshi Nakamoto is the pseudonym Bitcoin's inventor used. The graphics below illustrates the relationship between different "Bitcoins". 
I can tell you about the benefits of accepting BSV, and help you with what you specifically have to do to get started
Accept BSV and get paid in euros, kroner and more without exchange rate risks.
No more chargebacks - the BSV payment is final and guaranteed
BSV is a hard money in the sense that there will never be more than 21 million. Some people are very attracted to that (Read: More customers).
Be a first mover and get lots of publicity.
BSV users are probably relatively enthusiastic users. They are willing to switch to a new supplier if it gives them the option to pay with BSV. Read: Increased sales.