Start downloading the Freya High Five Client:
1) Get the Official Client
Mirror1: http://www.mediafire.com/download/52pah4e45cgk0lz/Lineage_II_Freya.zip
Mirror2: https://mega.nz/#!iZ5VSJ5D!UpIqhzGCs44zlWV00NK1OyzI54drTNVDYfDpLSEasKg
2) Get the Custom Patch 1.4.0
Rapidshare: [already not available]
4shared: [already not available]
EXTRAS (Not required)
Patch Disable Rain / Fog / Weather effects
[already not available]
