Use it in story mode or in an online session, but if you do it online, you must change the session to apply completely.
Red Dead Redemption 2: Cheat (Name Changer) Free Download
Enter your current username in the first field and your desired username in the second.
It may take some time after clicking the “Change” button depending on the specifications of your computer.
I used it every day for 2 weeks without a ban.
For educational purposes only. Use at your own risk.