Loading LUTs in Photoshop
Add a Color Lookup adjustment layer
From the Adjustments panel (Window > Adjustments), add a Color Lookup adjustment layer.
Load a LUT
Click on the Load 3D LUT… dropdown menu then choose Load 3D LUT. Navigate to the product folder. Load a LUT from the LUTs\CUBE folder.
Make the LUT lighter or stronger
To change the opacity, adjust the opacity setting in the Layers panel.