Lightroom presets work on Mac and PC systems, using the Adobe Lightroom software.
Please note the .lrtemplate file should be installed from within Lightroom >>Preferences >> Presets (in your Lightroom software) as it is not a .pdf nor executable file.
To install your Lightroom preset, please follow these steps:
1- Open Lightroom
2- In the top menu bar choose Edit>Preferences
3- There will be a new window that appears. Select the Presets tab.
4- Click on the button labeled "Show Lightroom Presets Folder."
5- In the new Explorer window that appears open the 'Lightroom' folder, and then open the 'Develop Presets' folder. Copy and Paste the presets folder into this location.
6- Restart Lightroom, the presets can be found in the Presets section on the left in the Develop module.