The Genting Highlands track for Assetto Corsa (often called GT Highland
Early access to the full uphill and downhill stages, 2REAL traffic support, and high-fidelity textures (RainFX, custom trees). Public/Free Version: GT Highland Patreon Teaser Edition
Websites like AssettoWorld often host "Genting Highlands (Uphill/Downhill)" packs. These are usually the easiest to find via a quick search and come in a compressed .zip or .7z format.