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.