download re-shade with full add-on support (not sure add-on support matters but it doesn't hurt anything since it's a singleplayer game)
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install it and choose browse and find Lasthope.exe and follow install and tick vort shaders box in effect packages and anything else you want to experiment with then finish the installation.
Start game as normal, press home key and find vort_hdr on the list of check boxes on the "home" tab and check the box to enable it then increase the manual exposure in the tonemapping section. You may also want to modify tempertature and saturation in color grading. *make sure peformance mode box is not ticked until after your finished as it stops you from being able to tweak fx
Reshade alot of packages and settings and im a novice so there may be a better way to do it.