1) download enbseries v 0.279 from http://enbdev.com/mod_tesskyrim_v0279.htm  take the d3d9.dll into the skyrim game folder (choose wrapped vrs) In the Skyrimprefers.ini ( mydocuments/mygames/Skyrim ) set this value: bFloatPointRenderTarget=1  must be set in SkyrimPrefs.ini file to make this mod work. Start SkyrimLauncher.exe to configure your video options again. Sky lighting to work correctly require rendering objects to shadow, so edit manually following lines in file SkyrimPrefs.ini: bTreesReceiveShadows=1 bDrawLandShadows=1 bShadowsOnGrass=1 2) extract all files from the Archive into the skyrim game folder ,do any substitution if ask Launch skyrim with the tesv.exe, in the option Video Card set OFF AA-FA-FXAA, then close  launch the game with SKSE launcher (if you use it) 3) In game i subjest to low down to 0 the brightness o r use it at lower level