How to use the Studio HDRs in Blender
How to customize the Studio HDRs with Photoshop
In this tutorial we'll go over how to make simple adjustments in Photoshop to create powerful custom combinations with our Studio HDRs.
Other applications
If you've used HDR lighting before, then these studio hdrs are used in the exact same way. But if you're not sure though, here's some helpful third-party tutorials to show you how this is typically done: