1. Open your Lightroom Program. Go to Edit > Preferences.
2. Switch to the Presets tab and click the "Show Lightroom Presets Folder" button.
3. This should open a file browser with "Lightroom" selected.
4. Open the Lightroom folder, the open the folder "Local Adjustment Presets."
5. Place the PresetName.lrtemplate file into this Local Adjustment Presets folder.
6. Restart Lightroom to use your new preset.

Compatible with: Lightroom 3 and up, Windows and Mac. Watch the tutorial below to help: