-This enb series is very light
only has real reflexes
and is automatically activated.
But puts a little slower its gta
depending on the pc.
-To install just copy the files
Icsgraphs and d3d9.dll 
Pasted in the folder GTA San Andreas
-Address of the folder:
C:\Program Files\Rockstar Games\GTA San Andreas
-If you want to remove the enb series
just delete the files
Icsgraphs and d3d9.dll