If that doesn't scare you away, the 23-minute video shows you exactly how the process works: step-by-step. Keep in mind that creating a profile is rather complex, includes many steps, and should be considered rather advanced: proceed with caution. The tutorial was created by Josh Haftel, who cautions users from the get-go on Adobe's blog: This video addresses the last of those options, showing you how to use Adobe Camera Raw to create your own custom Creative Profiles for use in ACR, LR CC and LR Classic CC.
The latest major release of Adobe Camera Raw, Lightroom CC, and Lightroom Classic CC unveiled all new 'Profiles' to the world, including six new Adobe Raw profiles, over 40 Creative Profiles, and the ability to create your own Profiles if you want to lock your personal style into a preset.