OPTION 1. DOWNLOAD AND EXTRACT THE GAME + PATCH(recommended) Extract this file to your Desktop Folder, run L2.exe inside L2Edenia\System folder.
OPTION 2. EXTRACT ONLY THE PATCH IF YOU ALREADY HAVE INTERLUDE
If you already have the interlude and only just want to apply the patch!
Unpack the patch to the of the Lineage2 Interlude game root folder, replace all files when prompted. Starting the game Example C:\L2Edenia\System\L2.exe.