Are you sitting on unused Mac function (fn) keys on your keyboard? Here's how to remap Mac function keys and repurpose them to trigger useful actions.

This will make the original row of function keys appear on the Touch Bar, including the Escape key if your Mac doesn't have a physical one.

Select Ctrl drop-down menu and choose an option to modify or select Treat top-row keys as function keys or Enable auto repeat. Select Change language and input settings > Input method to change ...