If using , navigate to Payloads and select Lockpick_RCM.bin .
Once Lockpick_RCM launches, use the to navigate and the Power button to select options: install lockpick rcm
(Optional) Copy the .nro version to the /switch/ folder if you want to access the homebrew menu version, though the RCM payload is required for newer firmware keys. If using , navigate to Payloads and select Lockpick_RCM