The following example is shown in Steinberg Cubase 15 but works equally well for any other DAW software.
Insert HEADPHONE LAB into the Stereo Out channel strip. Be sure you have placed the plug-in after all other effects in the signal chain (e.g. below the equalisers, dynamic, or spatial processors).
HEADPHONE LAB is only a monitoring plug-in and is not intended to be used when exporting a mix-down. To avoid misuse, HEADPHONE LAB will be bypassed automatically during export.