Simply extract the esp file and place it in your Skyrim data folder.

Version 1a fixes the permanent ice shader and slow effect caused by fighting the Aspect of the Snow Prince.

Version 1b fixes the issue that adds the Snow Elf race in the character creation screen and glitches the other races. Also further fixes the issue where the player is in permanent

Version 2 removes the 24 ingame hour recast timer.

Same changes as version 1a, except this version doesn't have the 24 hour recast timer.

Version 2b fixes all the issues mentioned in version 1b, but this version retains the no recast timer.