Download ENB version 102 Tatsudoshi here: http://www.jeuxvideopc.com/downloads/11830-the-elder-scrolls-5/1436-graphismes-textures/33480-graphismes-realistic-lighting-with-customization-331.php
Extract to your Skyrim folder.
Download this mod.
Extract to skyrim folder.
If asked to replace any files, select yes.

Make sure you have this value set in your skyrimprefs.ini file :
bFloatPointRenderTarget=1
To fix blocky shadows, see the notes at the bottom of this description.
Delete any custom sunglare textures from your textures folder. The file name is sunglare.dds
Delete any other lighting mods that you have installed MANUALLY. Which means you have to go into the folders and delete their files, not just through NMM.