Comments Lightroom’s presets can be found/copied/deleted here:
• Mac (user)/Library/Application Support/Adobe/Lightroom
• Win (user)/ Application Data/Adobe/Lightroom
Or, Control (Mac) / right mouse (Win) -click on any preset in Lightroom’s Develop module (or any Template in the output modules) and choose Show in Finder (Mac ) / Reveal in Explorer (Win) to automatically display the corresponding presets folder. Then, copy and paste (using the operating system) the preset files to the same location on the other machine.