How to Install Your Lightroom Presets: 

1. Go into Lightroom and click on Edit at the top (next to File).
2. Go down to Preferences and click on it.
3. There will be a new screen that pulls up.  There will be six tabs at the top, click on Presets (second tab).
4. Click on the box titled, Show Lightroom Presets Folder. This will reveal the folder in Explorer
5. Double click on Lightroom Folder.
6. Next double click on Develop Presets Folder.
7. Copy your downloaded preset into the “Develop Presets” folder or into the “User Presets” Folder.
8. Restart Lightroom and you are complete.