Launch NV via running nvse_loader.exe or, if you have patched the game using FNV 4GB Patcher, FalloutNV.exe. Do not copy these files to the Data folder or install it with MO2 as with a normal mod. If you see files named FalloutNV.exe and FalloutNVLauncher.exe, this is the correct folder. For Steam this is usually in your Program Files folder under Steam\steamapps\common\Fallout New Vegas\. DownloadĬhangelogs and all releases are provided in the releases section. New Vegas Script Extender (xNVSE) expands the engine and scripting capabilities of Fallout New Vegas.