1. Open Photoshop Lightroom
2. Select an image(s)
3. Go to File > Plug-in Extras
4. Select FocalPoint 2
   
5. The FocalPoint 2 for Lightroom dialog will appear, select the Open... button.

For Details on using the FocalPoint 2 for Lightroom dialog look below. 

Tip: If you have multiple images selected and you press the Open...button you will be able to manually set-up a frame stack for the first image. Each subsequent image in your selection will have the same frame stack applied to it as the first image.

• Search: Type in the name of a preset. The results will appear in the Search Results category. 
• Category List: Lists your preset categories as well as a special category for your Recently Used. Click on the triangle to open each category.
• Description: Displays a saved preview of preset as well as the description for the selected preset.
  
• Options: Controls how your image is treated before it is sent to FocalPoint. You can select from editing the original, a copy with Lightroom Adjustments applied or a just a copy. If you select either of the copy options you may also select the file format, color space and bit depth. If you have multiple versions of Photoshop installed you may also select which version of Photoshop to use FocalPoint in. The last option, Stack with original will place the edited version of your image in the Lightroom catalog with the original.
  
• Cancel: Cancels FocalPoint for Lightroom
• Open...: Rather than applying a preset directly, this option will open your image in FocalPoint so you can manually adjust its options.
• Apply Preset: Applies the selected preset to your image(s)